BS EN 15039:2014
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Chemicals used for treatment of water intended for human consumption. Antiscalants for membranes. Polycarboxilic acids and salts
Published By | Publication Date | Number of Pages |
BSI | 2014 | 30 |
This European Standard is applicable to polycarboxylic acids and salts used as antiscalants for membranes for the treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding analytical methods for polycarboxylic acids and salts. It gives information on their use as antiscalants for membranes in water treatment.
PDF Catalog
PDF Pages | PDF Title |
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4 | Contents Page |
7 | 1 Scope 2 Normative references 3 Description 3.1 Identification 3.1.1 Chemical name |
8 | 3.1.2 Synonym or common names 3.1.3 Relative molecular mass 3.1.4 Empirical formula 3.1.5 Chemical formula 3.1.6 CAS Registry Number) |
9 | 3.1.7 EINECS reference) |
10 | 3.2 Commercial forms 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 Solidification point 3.3.7 Specific heat 3.3.8 Viscosity (dynamic) 3.3.9 Critical temperature |
11 | 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 4.3 Impurities and main by-products 4.4 Chemical parameters |
12 | 5 Test methods 5.1 Sampling 5.1.1 General 5.1.2 Solid 5.1.3 Liquid 5.1.3.1 Sampling from drums and bottles |
13 | 5.1.3.2 Sampling from tanks and tankers 5.2 Analyses 5.2.1 Polymer content (main product) 5.2.1.1 General 5.2.1.2 Principle 5.2.1.3 Reagents |
14 | 5.2.1.4 Apparatus 5.2.1.5 Procedure 5.2.1.6 Expression of results |
15 | 5.2.1.7 Precision 5.2.2 Impurities 5.2.2.1 Acrylic acid 5.2.3 Chemical parameters 5.2.3.1 General 5.2.3.2 Determination of antimony (Sb), arsenic (As), cadmium (Cd), chromium (Cr), cyanide (CNˉ), lead (Pb), mercury (Hg), nickel (Ni) and selenium (Se) |
17 | 6 Labelling – Transportation – Storage 6.1 Means of delivery 6.2 Risk and safety labelling according to the EU legislation) 6.3 Transportation regulations and labelling 6.4 Marking 6.5 Storage 6.5.1 Material |
18 | 6.5.2 Long term stability 6.5.3 Storage incompatibilities |
19 | Annex A (informative)General information on polycarboxylic acids and salts 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 |
20 | A.2.5 Secondary effects A.2.6 Removal of excess product A.2.7 Ecological review A.3 General rules relating to safety A.3.1 Rules for safe handling and use A.3.2 Emergency procedures A.3.2.1 First aid A.3.2.2 Spillage A.3.2.3 Fire |
21 | Annex B (normative)Analytical methods for polycarboxylic acids and salts B.1 Determination of dry solid B.1.1 Principle B.1.2 Apparatus B.1.2.1 Analytical balance accurate to ± 0,1 mg. B.1.2.2 Oven, capable of maintaining (110 ± 1) °C vented to fume cupboard. B.1.2.3 Desiccator, containing dried silica gel. B.1.2.4 Porcelain crucible, 57 mm diameter. B.1.3 Procedure B.1.4 Expression of results |
22 | B.1.5 Precision B.2 Determination of acrylic acid ) B.2.1 Principle B.2.2 Reagents B.2.2.1 General |
23 | B.2.2.2 Ultrapure water (>18 MΩ/cm) B.2.2.3 Acrylic acid monomer (min. mass fraction 99 %) B.2.2.4 Sulfuric acid, mass fraction 96 %, density ρ = 1,84 g/ml B.2.2.5 Phosphoric acid, mass fraction 88 %, density ρ = 1,75 g/ml B.2.2.6 Helium gas, high purity B.2.2.7 Eluent B.2.2.8 Acrylic acid stock solution (200 mg/l) B.2.3 Apparatus B.2.3.1 For extraction B.2.3.2 For analyses B.2.4 Procedure B.2.4.1 Preparation of test solution |
24 | B.2.4.2 Chromatographic conditions B.2.4.3 Calibration B.2.4.4 Determination B.2.5 Expression of results |
25 | B.2.6 Precision B.3 Assessment of product quality |
26 | Annex C (informative)Environmental, health and safety precautions within chemical laboratory |