HYPOCHLORITE. : The chemical compound formula for sodium hypochlorite is NaOCl. Please note these calculations are only estimates. hbb What is the progression of a single tone is called? Chlorine (sodium hypochlorite) solutions should be used mainly on hard, non-porous surfaces. See Decomposition of Sodium Hypochlorite for more information. 9 litres). How do you mix 10% sodium hypochlorite with water? WebBulk Sodium Hypochlorite Storage and Dosing System - Basis of Design Version 1 Revision 2 DATE: September 2020 . For example, a 10C increase in storage temperature will result in an increased rate factor of approximately 3.5. On a large scale, it is used for surface purification, How much bleach do I add to 55 gallon water for storage? 26 0 obj <> endobj Webhave 5% Sodium Hypochlorite written on the label somewhere. Chlorine Solution Tables Reacting chlorine and sodium hydroxide will produce sodium hypochlorite: Sodium hypochlorite produced by a continuous process will have approximately 0.2% by weight excess sodium hydroxide, resulting in a specific gravity of 1.160 at 120 gpl. What are the common uses for sodium hypochlorite? In the event of inhalation of sodium hypochlorite, leave the affected area and seek fresh air. W"n V8 $@7$[Ak&F@#_ u 1 Sodium hypochlorite can be produced in two ways: Most commonly, sodium hypochlorite is made via chemical reaction. 0000199222 00000 n 1 litre) to nine volumes of clean water (e.g. Example Calculations of Chlorine Dosage - California 6 How is the dilution of sodium hypochlorite done? The advantage of the salt electrolysis system in the creation of sodium hypochlorite is that no transport or storage of chemicals are required, however, the costs to purchase and maintain the electrolysis system are typically higher than that of a batch or continuous process. How is hydrogen gas produced from sodium hypochlorite? It does not store any personal data. If sodium hypochlorite comes in contact with other cleaners containing ammonia or chlorine compounds, fatal levels for ammonia gas or chlorine gas can be produced. SODIUM. How much Ensure that all environmental surfaces and hand touch surfaces ahev been cleaned with hot water and detergent (so they are free of vomit, faeces or any organic matter) before the chlorine solution is applied. How many moles of 0000198877 00000 n View our. Pour, apply or spray onto the injured area. Quizlet 1 litre) to nine volumes of Step 1: Solve for pounds per day (feed rate) for 100 % pure chemical (no impurities). endstream endobj 15 0 obj <> endobj 16 0 obj <> endobj 17 0 obj <>stream For example: To achieve 5 mg/L chlorine in a 1000 litre tank, add approximately 40 mL of 12.5% sodium hypochlorite. Do not use a bleach product if the percentage is not in this range or is not specified. 0000048887 00000 n When used on wounds, Dakins solution can be poured onto the affected area as an irrigation or cleanser. (2.5 cups) of 12.5% NaOCl (w/w) with a specific gravity (SG) of 1.2 is added to 10 gallons of water, the percent strength (w/v) is 0.2307% (table). You can produce sodium hypochlorite using any quality of sodium hydroxide, including diaphragm cell caustic. hb```b``c`e``f@ aw O|R }CqYodvCFoC -A=K5=/6)h`V6d\;A&HdF>K%t!,9T8[mg6l46s4 Ii!4 trailer The amount of liquid bleach required to be added to your water supply would depend on the quality of the water. These cookies will be stored in your browser only with your consent. In the case of an exposure to eyes or skin, flush the area for 15 to 20 minutes with running water. Household laundry bleach is a dilute aqueous solution of sodium hypochlorite (NaClO). St. Louis, MI 48880 How long do you leave sodium hypochlorite? How to calculate the percent strength of chlorine? The old tables will typically show 120 gpl available chlorine bleach with 0.73 % by weight excess caustic which results in a specific gravity of 1.168 at 20 degrees C. Typically, the sodium hypochlorite produced by a continuous process will have approximately 0.2% by weight excess sodium hydroxide and this would result in a specific gravity of 1.160. In the petrochemical industry, sodium hypochlorite is used in petroleum products refining. The Wait 10 minutes, flush the taps again. 7 How to calculate the chlorine dosage for a storage tank? Sufficient time is required to kill the virus - at least 10 minutes contact time. KtDJH#)(Z[AO)(9_Gsu5 Strength varies from one formulation to another and gradually decreases with long storage. The solution is electrolyzed and forms a sodium hypochlorite solution in water. Re-chlorinating a Water Buffalo Mix 5 half-gram spoonfuls of Calcium hypochlorite from the 6-ounce bottle with one-half canteen cup of water. Follow the directions on the bleach bottle for preparing a diluted bleach solution. Costly customer quality complaints relating to oxygen and solids formation in storage tanks, pumps and piping are eliminated. 1:10 DILUTION. How do you use sodium hypochlorite solution? Avoid swallowing and getting sodium hypochlorite in the eyes or on the skin. Many different types of materials are used for the construction of sodium hypochlorite storage tanks. Sodium hydroxide is usually added in small amounts to household bleach to slow down the decomposition of NaClO. Some of these advantages are as follows: 740 E Monroe Road HW]TG}_`vwQDC2Q#Yc($>"rSz}Uxo>|q}ER3WP?>7/`q/oklkp>BTHqql[jry}gY=nB|B`-`i"V|}lx[]+m65B2o sG6V5tN_]]}Bf/riq$&jg+*Y $gCy6;g3>Yim,=eD1zlt2 |V0`/Q)g6GRYj2r8Q2Z2VJ(YsLLxrOt)Jhufnbf|N $ jJb(1[Jm.E=CRDM&``r i2n'+50COa1y,8h $pu{)_@oZ~.M0y}uMEMPLj|ijY5oitqW~ #G4PrNx.5Xln9;>$5V'. chlorine dilution calculator, sodium hypochlorite dilution chart, bleach concentration calculator, sodium hydroxide dilution calculator, bleach dilution calculator, dilution calculator percent, bleach solution calculator, percentage calculator dilution, dilution of sodium hypochlorite, dilution of sodium hypochlorite solution, sodium hypochlorite online, the specific gravity of hypochlorite, dilution calculator concentration, sodium hypochlorite specific gravity water WebSodium hypochlorite; Sodium hypochlorite solution was used in the synthesis of sodium 3,3-bis(sulfonato)-4,4-bis(acetamido)azobenzene. During this reaction the explosive Apr 21, 2023 (The Expresswire) -- Sodium Process Calcium Hypochlorite Market Report Insights (2023-2030) : (110 Pages Report) Sodium Process Calcium By mixing different amounts of bleach with water, you can make a WebLifetime 4 mg/L 10-4 Cancer risk No data National primary drinking water regulations (chlorine [as Cl2])e MRDL 4.0 mg/L Public health goal (MRDLG) 4.0 mg/L Reportable quantities of hazardous substances designated pursuant to Section 311 of the Clean Water Act Chlorine 10 pounds Sodium hypochlorite 100 pounds EPA 2007b How long do you leave sodium hypochlorite? CALCULATING THE CHLORINE DOSAGE USING METHOD 2 (200 mg/L solution) EXAMPLE: Among other requirements, Method 2 for disinfection of a water storage tank requires that a 200 mg per liter (200 mg/L) solution be brushed or sprayed on all surfaces that will come in contact with the potable water to be stored. Use 1 part bleach to 99 parts cold tap water (1:100 dilution) for 0000020028 00000 n The specific gravity of sodium hypochlorite with the same strength may vary due to the amount of excess caustic in the solution. Sodium Hypochlorite (Bleach) Frequently Asked To prepare 1:10 bleach solution add one volume of household bleach (e.g. %%EOF %PDF-1.2 % To prepare 1:10 bleach solution add one volume of household bleach (e.g. This field is for validation purposes and should be left unchanged. You calculate that you will need 550 gallons of the 200 mg per liter solution. WebThis easy-to-use calculator tells you how much chlorine-based (sodium hypochlorite) sanitiser/disinfectant to dilute with water to get the desired concentration (parts per We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. ;v|lm=mm8d!rOwC?uv(pp5FcF*J2RV9-fXdLq_-4b&9/ZR#iheIJyhxH;_6xE)JlyzcZpTw=81 idEn0GS&:/[5_|V9YUN84YPopdeyl5rYVwFXEhqVrN (I;E]@oz&H}me`^z/p(\MU How much bleach does it take to shock a water tank? Seek immediate medical attention. Sodium Hypochlorite dilution calculator online, sodium hypochlorite formula, how to dilute 12.5 sodium hypochlorite, sodium hypochlorite mixing ratio with water, 1% sodium hypochlorite solution online, how to dilute sodium hypochlorite solution, sodium hypochlorite specific gravity chart, Simple Soap Calculator online, free and easy, Online Sodium Hypochlorite Dilution Calculator, Online Molar Mass Calculator & Molecular Weight, Saponification table #1 easy saponification value chart, Ethanol density table for ethanol water mixture at 20C | dilution made easy, Sodium Hydroxide Solution & Baum B NIST Standard, Sodium hypochlorite solution density NaOCl table/chart, 30.745 Kg of Sodium Hypochlorite 48 degree. Add 2 Tablespoons of FRESH unscented regular bleach (sodium hypochlorite). The filtering of sodium hypochlorite offers numerous advantages. Sodium hypochlorite (NaOCl), commonly known as bleach, is a solution made from reacting chlorine with a sodium hydroxide solution, also referred to as caustic. %%EOF How do you make sodium hypochlorite solution? This solution must remain on those wetted surfaces for at period of least 30 minutes. Length x width x depth of water x 1000 = number of litres In some countries where these materials are not readily available, or the manufacturing quality is suspect, cubical concrete tanks lined with flexible plastic liners such as PVC have been successfully used. This includes some types of laundry bleach or splashless bleach, which are not appropriate for disinfection. 0000011618 00000 n 0000050538 00000 n However, you may visit "Cookie Settings" to provide a controlled consent. 732 36 To prepare 1:10 bleach solution add one volume of household bleach (e.g. The chart below lists some of the varying strengths of Sodium Hypochlorite and how these solution strengths are typically used. %PDF-1.5 % Initial chlorine 0000048763 00000 n WebTo convert a tank volume in gallons to a volume in litres, simply multiply the number of gallons by 4.5. When using chlorine bleach, it is safer to add chlorine to water - do not add water to chlorine. Some tanks may only last 3-5 years. To maintain a safe water supply after the initial dosage, 1 gram of calcium hypochlorite or 4 millilitres of sodium hypochlorite per 1000 litres should be added to the rainwater tank and allowed to stand for a minimum of two hours. WebSolution I: Dilute Sodium Hypochlorite Solution Dilute 63 mls of 5.25% sodium hypochlorite solution to 1-liter with DI water (store in amber bottle). The cookies is used to store the user consent for the cookies in the category "Necessary". endstream endobj startxref It takes about 5 milligrams of chlorine per litre to disinfect your tank. What Is in Bleach? hb```f``a`a` @ 01PQ=EKH @1q^M}R``P|GX *}!|Fq jC Mixing of Chlorine (Bleach) Solution for Disinfecting In this case, sodium hypochlorite is prepared by reacting dilute caustic soda solution with liquid or gaseous chlorine, accompanied by cooling, eventually producing sodium hypochlorite, water, and salt. WebThe weight (in grams) of sodium hypochlorite in one liter of sodium hypochlorite solution. 9 litres). If you continue to use this site we will assume that you are happy with it. How long to leave sodium hypochlorite on patio? This decomposition produces oxygen. In the event sodium hypochlorite is swallowed, seek emergency help immediately. The only material noted for over 30 year service life is titanium. reagent grade, available chlorine 10-15 %. 767 0 obj <>stream WebSodium hypochlorite (NaOCl) is a solution made from reacting chlorine with a sodium hydroxide solution. Disinfection of water tanks fact sheet - Northern Territory Lesson 18: Water Chlorination Calculations - Mountain Empire This cookie is set by GDPR Cookie Consent plugin. For a 10C increase in temperature, sodium hypochlorite at the same starting strength will decompose 3.5 times faster. The primary pathway is 3NaOCl = 2NaCl + NaClO3. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Ensure your staff know how to correctly use your chlorine (sodium hypochlorite_ solution or chemical sanitiser. Light, heat, organic matter, and certain transition metals (such as copper, nickel, and cobalt) accelerate the rate of decomposition of sodium hypochlorite. Bleaching, Cleaning, and Disinfection, Deodorizing & Wastewater treatment, Sodium hydroxide solution density table / baum chart B, bleach dilution ratio chart ml, sodium hypochlorite dilution chart, 12.5% sodium hypochlorite dilution chart hb```9,s( This brine is then electrolyzed to form a sodium hypochlorite solution containing 150 grams of active chlorine per liter. Use 1 part bleach to 99 parts cold tap water (1:100 dilution) for disinfection of surfaces. SODIUM HYPOCHLORITE - Powell 0000013329 00000 n 989-681-5013, 2023 Powell Fabrication & Manufacturing LLC. This is because 1L of water contains 1000g, then since the container of sodium hypochlorite shows 4% w/v it means there is 4g of sodium hypochlorite in every 100g of the solution (presumably water). Hence measure 10 parts of the sodium hypochlorite solution which will contain 40g of the active chemical to 1000g or 1L of water. Thank you. NO! The most common way of disinfecting a water tank is by chlorination. This cookie is set by GDPR Cookie Consent plugin. As a result, product safety is improved allowing customers to package product without bottles swelling due to oxygen formation. This chlorine calculator is intended for use by local government environmental health officers, health and residential care facilities, children's services centres and camp operators. WebTo calculate millilitres of 12.5% sodium hypochlorite (liquid) required to disinfect the water in a tank. These two reactants are the major co-products from most chlor-alkali cells. Never mix bleach with other chemicals. The cookie is used to store the user consent for the cookies in the category "Other. 32 0 obj <>/Filter/FlateDecode/ID[<66D5EDEEE6DC5447BC693207AEC54DF8>]/Index[14 33]/Info 13 0 R/Length 89/Prev 31332/Root 15 0 R/Size 47/Type/XRef/W[1 2 1]>>stream 1 litre) to nine volumes of clean water (e.g. %PDF-1.5 % How much sodium hypochlorite to add to chlorine tank? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Q *G5% The ideal pH of the solution should be from 11.86-13 pH or approximately 0.25% to 0.35% excess caustic (NaOH). After filtration, sniff gas bleach can be sold as high-quality bleach. Sodium Hypochlorite 0000088668 00000 n All sodium hypochlorite decomposition is dependent on temperature. Sodium Hypochlorite Patio Cleaners are used for more stubborn stains as you need the EXTRA strength solution, which is 50% stronger than the heavy duty solution and may be diluted with up to 6 parts water and 1 part Sodium Hypochlorite 15%. WebSodium hypochlorite produced by a continuous process will have approximately 0.2% by weight excess sodium hydroxide, resulting in a specific gravity of 1.160 at 120 gpl. It is relatively easy to chill the sodium hypochlorite with a chilled water system and plate heat exchanger. For example: To achieve 5 mg/L chlorine in a 1000 litre tank, add 8 How to re-chlorinate a water buffalo in the field? Therefore, cooling the product before shipment will greatly reduce its decomposition. How to calculate the chlorine dosage for a storage tank? Chlorine dilutions calculator - Health.vic You also have the option to opt-out of these cookies. To prepare 1:100 bleach solution add one volume of 1:10 bleach solution (e.g. Depending on the strength of sodium hypochlorite, severity can range from mild irritation to severe burns. These calculations are to be used a guide only. w4/TybLPpUao0)q8?y) .b\5nuu+x4r .!5jmFB j0XR.`3d4FN;N-V&ggEzEJK6"B6DVQFE,`]2'd;)*N\^>L_d`Ff]?8w3g-qn6N.\l\\h~|aw^L{akv]osw0aoRC|+!QxrFiHeLk&b^q2v Caustic Alkalis & Bases; 425044; All Photos (2) 425044. These cookies ensure basic functionalities and security features of the website, anonymously. pM= 4% Sodium hypochlorite, commonly known as bleach, is a compound that can be used mainly for water purification. We recommend leaving no longer than 3 hours. WebMolarity (M)= Moles of Solute/ liters of solution.90g NaCl * 1 mol/58.44 g=0.02 mol NaCl.100 L of solution M=0.02/.100=.154 mol/L. Most household bleach contains 5%9% sodium hypochlorite. How many pounds of sodium hypochlorite will need to be fed? Many plants using the Powell system have no wastewater connects to sanitary sewer systems. How to Market Your Business with Webinars. WebThe goal of dosage testing is to determine how much sodium hypochlorite solution to add to water that will be used for drinking to maintain free chlorine residual in the water for hVkO8+V-aPU)HN^)P27}T)H$bC*!RI!%ue((N2P,IDF+,\FlK}`m{lmzPzhAU-d=q"7'xl6+Wlr;P!ON&+w#$?-Zt]l[B~\?|$IJ0pr"gn1OwuU}MuWM~qdpqTNx{]G> '>#>>T/_Rjx3IDo9\q |4^SNRvce5o;| This solution contains 150 g active chlorine (Cl2) per liter. 3 How do you use sodium hypochlorite solution? Sodium hypochlorite, commonly known as bleach, is a compound that can be used mainly for water purification. Loss of sodium hypochlorite strength means more product will be needed when the bleach is used as a disinfectant. Chlorination of Water using sodium hypochlorite You should smell the distinct odor of bleach (chlorine) at every fixture. How do you mix 10% sodium hypochlorite with water? 1. 0 Check the expiration dates of your bleach or chemical sanitiser to ensure the active ingredients are still effective. In various parts of the world, sodium hypochlorite strength is identified using five common definitions listed below. 732 0 obj <> endobj Sodium Hypochlorite 657 0 obj <>stream d`b``3 1x4>FV ;~ 0000000016 00000 n The weight of sodium hypochlorite (bleach) varies depending on the concentration. Sodium hypochlorite This solution has a concentration [ C l O X ] = 1.83 M. 1 litre) to nine volumes of clean water (e.g. C l X 2 + H X 2 O H C l O + C l X + H X + One liter solution with 13 % active chlorine has been made with 130 g C l X 2 being dissolved into enough N a O H solution. Dilution of household bleach: Applying ratios and proportions Assuming that we use 5% NaClO (m/v) = 5 g/100mL solution or 5,000 mg/100mL solution or 5,000 mg x 1000mL/100mL = 50,000 mg/L solution. $@`$@ Important safety notes for use of chlorine (sodium hypochlorite) solutions: The Victorian Government acknowledges Aboriginal and Torres Strait Islander people as the Traditional Custodians of the land and acknowledges and pays respect to their Elders, past and present. 0000014851 00000 n SODIUM HYPOCHLORITE 4. 1 8. REGULATIONS, ADVISORIES, AND GUIDELINES 0000018284 00000 n Oxygen formation is significantly lower. 0000033495 00000 n To determine the amount of liquid chlorine (12.5%) added to 25 gallons of water, multiply the results for a 10 gallon solution by 2.5 (2.5 x 20 oz. But opting out of some of these cookies may affect your browsing experience. WebThe weight (in grams) of sodium hypochlorite in one liter of sodium hypochlorite solution. What makes filtered sodium hypochlorite better than non-filtered sodium hypochlorite? Chlorine (sodium hypochlorite) soutions must be made up prior to use as the chlorine deteriorates over time. 0000004867 00000 n Sodium hypochlorite can be produced in two ways: By dissolving salt in softened water, which results in a concentrated brine solution. WebThe stability of diluted solutions of sodium hypochlorite was studied. Add 1 bottle of Water Preserver Concentrate. Do not use hot water to make up chlorine solutions - cold water is safer. WebDuring the first dosing use for standard tap water 200-250 ml of 15% sodium hypochlorite solution per 10,000 liters of water, then the losses of deactivated chlorine should be replaced every few days by adding 150-200 ml of Transition metals (such as nickel and copper) increase decomposition. How to calculate the percent strength of chlorine? Small batch operations can be designed by utilizing a storage tank and adding the known amount of sodium hypochlorite and then adding the calculated amount of soft water. Chlorine is delivered in a variety of ways but the most common is high-strength calcium hypochlorite (HSCH), which, when mixed with water, liberates 60 to 80% of its volume as chlorine. How to re-chlorinate a water buffalo in the field? How much hypochlorite do I mix with water? Short-Fact Final chlorine solution volume = 100 litres = 100,000ml (because 1 litre = 1000ml) 2. TO CALCULATE TANK WATER VOLUME Full Rectangular Tanks (box During this reaction hydrogen gas is also formed. endstream endobj 620 0 obj <. For example, if 20 oz. In this case, a very small amount of bleach is added to a large volume of water to kill pathogens. Sodium This solution contains 150 g active chlorine (Cl 2) per liter. HWn6Na+I]@Q&ZXLL%x2Fp8:_pW13zm4a]8JhQH?5U/z-yfT3H)'rxOWY+(O3 ORj=r%_g}bF$>zI ,y7\w=uImR &wXox}"fnC#^K#JaG'`eI#iSHD7LCITP\0Dt5*/dF ?Z "da{=xJhHVF Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. If the product has a specific gravity of 1.2, a gallon of this sodium hypochlorite weighs 10.00 pounds (1.2 * weight of water). endstream endobj 733 0 obj <>/Metadata 91 0 R/Pages 88 0 R/StructTreeRoot 93 0 R/Type/Catalog/ViewerPreferences<>>> endobj 734 0 obj >/PageWidthList<0 612.0>>>>>>/Resources<>/Font<>/ProcSet[/PDF/Text]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 735 0 obj <> endobj 736 0 obj <>stream ^d`HwT8=YM(9;:%HP^,Tr89cA@:ijX/00Ll In food processing, sodium hypochlorite is used to sanitize food preparation equipment, in fruit and vegetable processing, mushroom production, hog, beef and poultry production, maple syrup production, and fish processing. Sodium hypochlorite: concentration and use: Recommended dilution 1:100 dilution of 5% sodium hypochlorite is the usual recommendation. %PDF-1.5 % 1. un|tJ'V?s#Fzl^0{{n[Iu!B4~xKijRrlo]3Sql _+i_,I.x'X=EqVW[lC6k\(K4mt!jt6RI(R,NvRM+dg- pecGsEycMGY@#~%D t8 A%* vI%,%ejstx k%qOd @jSB$|ele0,c++y% What happens if you mix sodium hypochlorite with bleach? 0000088785 00000 n Sodium hypochlorite, commonly known as bleach, is a compound that can be used mainly for water purification. 0000050863 00000 n This cookie is set by GDPR Cookie Consent plugin. To prepare 1:100 bleach solution add one volume of 1:10 bleach solution (e.g. 0000088707 00000 n You will use a sodium hypochlorite solution that is 12.5% available chlorine. 5 What happens if you mix sodium hypochlorite with bleach? If breathing is difficult, administer oxygen and seek immediate medical attention. This cookie is set by GDPR Cookie Consent plugin. The calculation is converting the grams per liter available chlorine into its However, it is also possible to located storage tanks inside of an air-conditioned room if the tanks are relatively small. Higher concentrations will cause unacceptable rates of decomposition. By clicking Accept All, you consent to the use of ALL the cookies. How to use Sodium Hypochlorite 0.25 % Solution. 1 How much hypochlorite do I mix with water? AMOUNT OF CONCENTRATION OF CHLORINE REQUIRED 0 (one part bleach and nine parts water) yields 5,250 ppm or a 0.53% hypochlorite solution, for use within 24 hours. They treat 0.25 million gallons per day. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. We use cookies to ensure that we give you the best experience on our website. If the flow being treated is 1.28 MGD, what %%EOF How do you mix 10% sodium hypochlorite with water? This easy-to-use calculator tells you how much chlorine-based (sodium hypochlorite) sanitiser/disinfectant to dilute with water to get the desired concentration (parts per million) of chlorine solution. It is also used as an oxidizing agent for organic products. Sodium hypochlorite has a second order decomposition rate. .Y}B6ns*n/.Q\%q4E6s\%"5a~^zBy4zgy?=glVGU\v`GJ? The calculation is converting the grams per liter available chlorine into its equivalent as sodium hypochlorite by multiplying the ratio of their respective molecular weights: g/L available chlorine x NaOCl/Cl 2 0000016601 00000 n plain, unscented household bleach) should be used in outbreak situations, as other sanitisers have very little effect on destroying viruses such as Norovirus. A 12% solution is widely used in waterworks for the chlorination of water, and a 15% solution is more commonly used for disinfection of waste water in treatment plants. Sodium hypochlorite can also be used for point-of-use disinfection of drinking water.
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