BS EN 900:2014
$167.15
Chemicals used for treatment of water intended for human consumption. Calcium hypochlorite
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 34 |
This European Standard is applicable to calcium hypochlorite used for the treatment of water intended for human consumption. It describes the characteristics of calcium hypochlorite and specifies the requirements and the corresponding test methods for calcium hypochlorite. It provides information on its use in water treatment. It also determines the rules relating to safe handling and use of calcium hypochlorite (see Annex B).
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 8 | 1 Scope 2 Normative references 3 Description 3.1 Identification 3.1.1 Chemical name 3.1.2 Synonym or common name 3.1.3 Relative molecular mass 3.1.4 Empirical formula |
| 9 | 3.1.5 Chemical formula 3.1.6 CAS Registry Number ) 3.1.7 EINECS reference ) 3.2 Commercial form 3.3 Physical properties 3.3.1 Appearance 3.3.2 Density 3.3.3 Solubility in water 3.3.4 Vapour pressure 3.3.5 Boiling point at 100 kPa ) 3.3.6 Melting point 3.3.7 Specific heat |
| 10 | 3.3.8 Viscosity, dynamic 3.3.9 Critical temperature 3.3.10 Critical pressure 3.3.11 Physical hardness 3.4 Chemical properties 4 Purity criteria 4.1 General 4.2 Composition of commercial product |
| 11 | 4.3 Impurities and main by-products 4.4 Chemical parameters 5 Test methods 5.1 Sampling |
| 12 | 5.2 Analysis 5.2.1 Determination of calcium hypochlorite content (main product) 5.2.1.1 Principle 5.2.1.2 Reagents |
| 13 | 5.2.1.3 Apparatus 5.2.1.4 Procedure 5.2.1.5 Expression of results |
| 14 | 5.2.1.6 Repeatability limit 5.2.2 Dissolution quality (available chlorine after 1 min) 5.2.2.1 Principle 5.2.2.2 Reagents 5.2.2.3 Apparatus 5.2.2.4 Procedure |
| 15 | 5.2.2.5 Expression of results 5.2.2.6 Repeatability limit 5.2.3 Impurities 5.2.3.1 Insoluble matter |
| 16 | 5.2.3.2 Water content 5.2.4 Chemical parameters 5.2.4.1 General 5.2.4.2 Principle 5.2.4.3 Reagents 5.2.4.4 Procedure |
| 17 | 5.2.4.5 Determination of the mercury content (Hg) |
| 18 | 6 Labelling – Transportation – Storage 6.1 Means of delivery |
| 19 | 6.2 Labelling according to the EU legislation ) 6.3 Transportation regulations and labelling |
| 20 | 6.4 Marking 6.5 Storage 6.5.1 General 6.5.2 Long term stability |
| 21 | 6.5.3 Storage incompatibilities |
| 22 | Annex A (informative) General information on calcium hypochlorite A.1 Origin A.1.1 Raw materials A.1.2 Manufacturing process A.2 Use A.2.1 Function A.2.2 Form in which it is used A.2.3 Treatment dose A.2.4 Means of application A.2.5 Secondary effects |
| 23 | A.2.6 Removal of excess product |
| 24 | Annex B (normative) General rules relating to safety B.1 Rules for safe handling and use B.2 Emergency procedures B.2.1 First aid B.2.2 Spillage B.2.3 Fire |
| 25 | Annex C (normative)Determination of arsenic, antimony and selenium (atomic absorption spectrometry hydride technique) C.1 General principle C.2 Interferences C.3 Reagents |
| 27 | C.4 Apparatus C.4.1 General |
| 29 | C.5 Procedure C.5.1 Preparation of the apparatus C.5.2 Preparation of calibration solutions C.5.3 Preparation of test solutions and standard solutions C.5.4 Determination of arsenic with sodium borohydride |
| 30 | C.5.5 Determination of selenium with sodium borohydride C.5.6 Determination of antimony with sodium borohydride C.6 Calculation C.7 Repeatability limit |
| 31 | Annex D (informative)Environmental, health and safety precautions within chemical laboratory |
