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BS EN 15039:2014 Chemicals used for treatment of water intended for human consumption. Antiscalants for membranes. Polycarboxilic acids and salts, 2014
- Contents Page
- 1 Scope
- 2 Normative references
- 3 Description [Go to Page]
- 3.1 Identification [Go to Page]
- 3.1.1 Chemical name
- 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)
- 3.1.7 EINECS reference)
- 3.2 Commercial forms
- 3.3 Physical properties [Go to Page]
- 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
- 3.3.10 Critical pressure
- 3.3.11 Physical hardness
- 3.4 Chemical properties
- 4 Purity criteria [Go to Page]
- 4.1 General
- 4.2 Composition of commercial product
- 4.3 Impurities and main by-products
- 4.4 Chemical parameters
- 5 Test methods [Go to Page]
- 5.1 Sampling [Go to Page]
- 5.1.1 General
- 5.1.2 Solid
- 5.1.3 Liquid [Go to Page]
- 5.1.3.1 Sampling from drums and bottles
- 5.1.3.2 Sampling from tanks and tankers
- 5.2 Analyses [Go to Page]
- 5.2.1 Polymer content (main product) [Go to Page]
- 5.2.1.1 General
- 5.2.1.2 Principle
- 5.2.1.3 Reagents
- 5.2.1.4 Apparatus
- 5.2.1.5 Procedure
- 5.2.1.6 Expression of results
- 5.2.1.7 Precision
- 5.2.2 Impurities [Go to Page]
- 5.2.2.1 Acrylic acid
- 5.2.3 Chemical parameters [Go to Page]
- 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)
- 6 Labelling - Transportation - Storage [Go to Page]
- 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 [Go to Page]
- 6.5.1 Material
- 6.5.2 Long term stability
- 6.5.3 Storage incompatibilities
- Annex A (informative)General information on polycarboxylic acids and salts [Go to Page]
- A.1 Origin [Go to Page]
- A.1.1 Raw materials
- A.1.2 Manufacturing process
- A.2 Use [Go to Page]
- 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
- A.2.6 Removal of excess product
- A.2.7 Ecological review
- A.3 General rules relating to safety [Go to Page]
- A.3.1 Rules for safe handling and use
- A.3.2 Emergency procedures [Go to Page]
- A.3.2.1 First aid
- A.3.2.2 Spillage
- A.3.2.3 Fire
- Annex B (normative)Analytical methods for polycarboxylic acids and salts [Go to Page]
- B.1 Determination of dry solid [Go to Page]
- B.1.1 Principle
- B.1.2 Apparatus [Go to Page]
- 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
- B.1.5 Precision
- B.2 Determination of acrylic acid ) [Go to Page]
- B.2.1 Principle
- B.2.2 Reagents [Go to Page]
- B.2.2.1 General
- 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 [Go to Page]
- B.2.3.1 For extraction
- B.2.3.2 For analyses
- B.2.4 Procedure [Go to Page]
- B.2.4.1 Preparation of test solution
- B.2.4.2 Chromatographic conditions
- B.2.4.3 Calibration
- B.2.4.4 Determination
- B.2.5 Expression of results
- B.2.6 Precision
- B.3 Assessment of product quality
- Annex C (informative)Environmental, health and safety precautions within chemical laboratory [Go to Page]
