BS EN 15796:2010 pdf download
BS EN 15796:2010 pdf download.Chemicals used for treatment of swimming pool water — Calcium hypochlorite.
4.4 Chemical parameters
The contents of arsenic, cadmiixn, chromium, mercury, nickel, lead, anbmoriy, selenium and bromate for each type of Product shall conform to the requirements specified in EN 900.
5 Test methods
The methods for sampling and analys4s are those specified in EN 900.
6 Labelling – Transportation – Storage
6.1 Means of delivery
Calcium hypochlorite shall be delivered in plastics-coated steel drums or polyethylene bottles.
In order that the purity of the product Is not affected, the means of delivery shall not have been used previously for any different product or it shall have been specially cleaned and prepared before use.
6.2 Risk and safety labelling according to the EU Directives1
The following labelling requirements shall apply to calcium hypochlonte dry at the date of the publication of this standard.
a) Symbols and Indications of danger:
1) 0: Oxidizing;
2) C: Corrosive;
3) N: Dangerous for the environment:
b) Nature of special risks attributed to dangerous substances:
1) RB: Contact with combustible material may cause fire;
2) R22: Harmful if swallowed;
3) R 31: Contact with acids liberates toxic gas:
4) R 34: Causes bums;
5) R 50: Very toxic to aquatic organisms;
c) Safety advice concerning dangerous substances:
1) S1/2: Keep locked up and out of the reach of children;
2) S 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
3) S 36/37(39: Wear suitable protective clothing, gloves and eyeMace protection;
A.1 Origin
A.1.1 Raw rnatenals
Calcium hpochlonte s manufactured from chlorine, calcium hydroxide and sodium hydroxioe.
kl.2 Manufacturing process
It is prnduced by drying a filter cake of neutral calcium hypochlorite dihydrate that is usually prepared from calcium hydroxide (hydrated lime) (Ca(OH)2). sodium hydroxide (caustic soda) (NaOH), and chlorine (Cl?).
A.2 Use
A.2.1 Function
Its functions in swimming pod water treatment are disinfection, the removal of ammonium compounds, the
oxidation of sull9des and the oxIdation of Iron (II) to iron (Ill).
A.2.2 Form in which It Is used
It is used dissolved in water as a dosing solution usually at a mass fracbon of 1 % 1o4 %.
A.2.3 Treatment dose
The treatment dose depends on the composition of the swimming pool water. The dose should be controlled
to achieve the minimum free residual concentration that gives satisfactory microbial quality.
A.2.4 Moans of application
It Is applied using a metering pump, from a dissolving tank.
A2.5 Secondary effects
The secondary effects include the following:
slight increase in PH;
slight increase in the chloride content:
— odour and colour removal:
— oxidation of organic compounds;
— local precipitation of carbonate at injection point.
B.1 Rules for safe handling and useThe supplier shall provide current safety instructions.
WARNING — NEVER MIX THIS PRODUCT WITH ORGANIC CHLORINE(Trichloroisocyanuric Acid,Dichloroisocyanuric acid salt or any product containing them) WITHIN THE SAME CONTAINER.
B.2 Emergency procedures
B.2.1 First aid
In case of skin contact, rinse with copious amounts of water, remove contaminated clothing. In the event ofeye or mucous membrane contact, rinse immediately with copious amounts of water and consult a doctor.
lf swallowed,little information is available but corrosion and freeze burns shall be expected. Wash out themouth with water and give 200 ml to 300 ml of water to drink
B.2.2 Spillage
Wear respiratory equipment.Collect and store in separate plastics container.Do not accumulate the spiltmaterial, dispose of it via a rubbish bin or drains. Disposal shall be carried out in accordance with the localregulations.
B.2.3 Fire
The material is not combustible, but due to the formation of oxygen as decomposition by-product it will supportcombustion. Use air-independent respiratory equipment for fire fighting. Use water to extinguish fire and tocool containers exposed to fire. Do not use dry chemical extinguishers containing ammonium compounds, e.g.monoammonium phosphate.
