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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. High-test hypochlorite (HTH) is sold for chlorination of swimming pools and contains approximately 30% calcium hypochlorite. The crystalline salt is also sold for the same use; this salt usually contains less than 50% of calcium hypochlorite. However, the level of active chlorine may be much higher.
The disinfecting properties of chlorine bleach can also be useful outside the laundry. Chlorine bleach disinfects drinking water where groundwater contamination has occurred, as it is a powerful germicide
Also used as a disinfectant and germicide , especially in the sterilization of water.
It is also used for making wool unshrinkable and in the manufactire of chloroform.
For the purpose of disinfection and bleaching , a weak soln. ( 1.2 % ) is used. For purifying water 0.02 to 0 .2 % volumetric is sufficientPotable Water Treatment
HANDLING AND STORAGE PRECAUTIONS:
Do not store adjacent to chemicals that may react if spillage occurs. Comply with Oman regulations, when shipped. If closed containers become heated, vent to release decomposition products (mainly oxygen under normal decomposition). Do not mix or contaminate with ammonia, hydrocarbons, acids, alcohol or ethers.
DO NOT REUSE CONTAINERS: Product residues may remain in containers. All labeled precautions MUST be observed. Dispose of container in a manner meeting government regulations.
PRODUCT DISPOSAL: Product should be completely removed from containers. Material that cannot be used or chemically reprocessed should be disposed of, in a manner meeting government regulations.
A weak soln. ( 1.2 % ) is used. For purifying water
0.02 to 0 .2 % volumetric is sufficient for Potable Water Treatment
SODIUM HYPOCHLORITE
ACTIVE INGREDIENT:
Sodium Hypochlorite as Chlorine : 15%
Sodium Hydroxide : 1%
INERT INGREDIENTS: : 84%
Total 100%
General formulation to calculate how much bleach is needed to add to a tank or a pipeline to disinfect it to a given chlorine residual using a given disinfectant. Usually someone wants to know how to meet an AWWA Standard (like C651-92, Disinfection of Water Mains). The equation below should be used to estimate the amount of sodium / Calcium hypochlorite (Chlorine Water is 6.00% sodium hypochlorite) needed to disinfect a given quantity of water to a desired chlorine concentration.
|
req'd residual in ppm |
For example , say you had installed a new 5,000 gallon tank and wanted to make sure that you had at least a 100 ppm solution of chlorine in it.
How much 6.00% Hypochlorite would you need to add ?
How much 12% Hypochlorite solution would you need ?
If you use calcium hypochlorite (the white, powder version of chlorine, like HTH pool cleaner), the equation becomes:
|
req'd residual in PPM |
Let's assume that we still need to disinfect 5,000 gallons at 100 ppm.
How many pounds of 65% calcium hypochlorite (HTH pool cleaner) are needed?
Note : Store in cool place
UN No : 1791
IMDG CLASS : 8
PACKING GROUP : III
ODOUR : IRRITATING , PUNGENT ODOUR
R31: Contact with acids liberates toxic gases
R34: Causes burns
S-PHRASES
S1/2: Keep locked up and out of the reach of children.
S28: After contact with skin, wash immediately with plenty of water
S45: In case of accident or if you feel unwell, seek medical advice (show the label where possible)
S50: Do not mix with acids
S50: Do not mix with reducing agents
X2: Restricted to professional users.Warning! Avoid exposure - obtain special instructions before use.
EMERGENCY AND FIRST AID PROCEDURES
EYE:
OBJECT IS TO FLUSH MATERIAL OUR IMMEDIATELY AND THEN SEEK MEDICAL ATTENTION IMMEDIATELY flush eyes with a directed stream of water at least 15 minutes while forcibly holding eye lids apart to ensure complete irrigation of all eye and lid tissue. Washing eyes within one (1) minute is essential to achieve maximum effectiveness. SEEK MEDICAL ATTENTION IMMEDIATELY.
SKIN:
SEEK MEDICAL ATTENTION IMMEDIAELY. Flush thoroughly with cold water under shower while removing contaminated clothing and shoes. CONTINUE TO FLUSH UNTIL MEDICAL ATTENTION ARRIVES. Discard non-rubber shoes. Wash clothing before reuse.
INIIALATION:
Remove to fresh air. If breathing is difficult, have trained person administer oxygen. If respiration stops, give mouth-to-mouth resuscitation. GET MEDICAL ATTENTION IMMEDIATELY.
INGESTION:
NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON. If swallowed, DO NOT INDUCE VOMITING. Give large quantities of milk or gelatin solution. If these are not available give large quantities of water. If vomiting occurs spontaneously, keep airway clear and give more milk, gelatin solution or water, GET MEDICAL ATTENTION IMMEDIATELY. Avoid vomiting, lavages or acidic antidotes. NOTE TO PHYSICIAN: Sodium Hypochlorite is an alkaline corrosive. For exposure by ingestion do not use emesis, lavages or acidic antidotes. Dilute immediately by giving milk, melted ice cream, beaten egg white, starch paste or antacids such as milk magnesia. Aluminum hydroxide gel or magnesium trisilicate gel. Avoid sodium bicarbonate because of carbon di-oxide release. Sodium thiosulphate solution may prove beneficial by reducing unreacted material
Other Related PRODUCTS LINKS :
Textile Hypo Bleach , SODIUM HYPO CHLORITE , Sod Hypo Chlorite conc activeCHLORINE , CHLORINE LIQUID , Calcium Hypo Chlorite Conc active Chlorine , Chlorine Tablet cyanurate , Chlorine Tablets Calcium Based , DYE REMOVER ORG DICHLOR , Dechlorination Soln De-Hypo