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BS EN 1302:2024 - TC Tracked Changes. Chemicals used for treatment of water intended for human consumption. Aluminium-based coagulants. Analytical methods, 2025
- A-30470590.pdf [Go to Page]
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Methods of analysis
- 5 Sampling [Go to Page]
- 5.1 General
- 5.2 Solids
- 5.3 Solutions [Go to Page]
- 5.3.1 Sampling from drums and bottles [Go to Page]
- 5.3.1.1 General
- 5.3.1.2 Surface sampling
- 5.3.1.3 Bottom sampling
- 5.3.2 Sampling from tanks and tankers
- 6 Expression of results [Go to Page]
- 6.1 Aluminium content
- 6.2 Iron
- 6.3 Sodium, calcium, chloride, sulfate and silicate
- 6.4 Free acid
- 6.5 Basicity
- 6.6 Insoluble matters
- 6.7 Chemical parameters
- 6.8 Repeatability
- Annex A (normative)Analysis of aluminium content [Go to Page]
- A.1 Determination of aluminium (EDTA complexometric method) [Go to Page]
- A.1.1 General
- A.1.2 Principle
- A.1.3 Reagents
- A.1.4 Apparatus
- A.1.5 Procedure
- A.1.6 Expression of results
- A.2 Determination of aluminium and sodium in sodium aluminate [Go to Page]
- A.2.1 General
- A.2.2 Principle [Go to Page]
- A.2.2.1 General
- A.2.2.2 Determination of sodium
- A.2.2.3 Determination of aluminium
- A.2.3 Reagents
- A.2.4 Apparatus
- A.2.5 Procedure [Go to Page]
- A.2.5.1 Sample solution
- A.2.5.2 Determination
- A.2.6 Calculation and expression of results
- Annex B (normative)Analysis of chemical parameters [Go to Page]
- B.1 Determination of chloride (potentiometric method) [Go to Page]
- B.1.1 General
- B.1.2 Principle
- B.1.3 Reagents
- B.1.4 Apparatus
- B.1.5 Procedure [Go to Page]
- B.1.5.1 Preparation of the test solution
- B.1.5.2 Blank test
- B.1.5.3 Determination
- B.1.6 Expression of results
- B.2 Determination of sulfate (gravimetric method) [Go to Page]
- B.2.1 General
- B.2.2 Principle
- B.2.3 Reagents
- B.2.4 Apparatus
- B.2.5 Procedure [Go to Page]
- B.2.5.1 Preparation of the test solution
- B.2.5.2 Determination
- B.2.6 Expression of results
- B.3 Determination of free acid (titrimetric method) [Go to Page]
- B.3.1 General
- B.3.2 Principle
- B.3.3 Reagents
- B.3.4 Apparatus
- B.3.5 Procedure [Go to Page]
- B.3.5.1 Preparation of the test solution
- B.3.5.2 Blank test
- B.3.5.3 Determination
- B.3.6 Expression of results [Go to Page]
- B.3.6.1 Expression as sulfuric acid
- B.3.6.2 Expression as hydrochloric acid
- B.4 Determination of basicity (titrimetric oxalate method) [Go to Page]
- B.4.1 General
- B.4.2 Principle
- B.4.3 Reagents
- B.4.4 Apparatus
- B.4.5 Procedure [Go to Page]
- B.4.5.1 Preparation of the test solution
- B.4.5.2 Blank test
- B.4.5.3 Determination
- B.4.6 Expression of results [Go to Page]
- B.4.6.1 Basicity
- B.4.6.2 Relative basicity
- B.5 Determination of basicity (titrimetric potassium fluoride method) [Go to Page]
- B.5.1 General
- B.5.2 Principle
- B.5.3 Reagents
- B.5.4 Apparatus
- B.5.5 Procedure [Go to Page]
- B.5.5.1 Preparation of the test solution
- B.5.5.2 Blank test
- B.5.5.3 Determination
- B.5.6 Expression of results [Go to Page]
- B.5.6.1 Basicity
- B.5.6.2 Relative basicity
- B.6 Determination of insoluble matter (gravimetric method) [Go to Page]
- B.6.1 General
- B.6.2 Principle
- B.6.3 Reagents
- B.6.4 Apparatus
- B.6.5 Procedure [Go to Page]
- B.6.5.1 Preparation of the test solutions
- B.6.5.2 Determination
- B.6.6 Expression of results
- B.7 Determination of arsenic (As), cadmium (Cd), chromium (Cr), nickel (Ni), lead (Pb), antimony (Sb), selenium (Se), iron (Fe), silicon (Si), sodium (Na) and calcium (Ca) (Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)) [Go to Page]
- B.7.1 General
- B.7.2 Principle
- B.7.3 Reagents
- B.7.4 Apparatus
- B.7.5 Procedure [Go to Page]
- B.7.5.1 Sample blank solution
- B.7.5.2 Sample solution
- B.7.5.3 Spectrometer settings
- B.7.5.4 Calibration and measurement
- B.7.5.5 Calculation and expression of results
- B.8 Determination of mercury (Atomic Fluorescence Spectrometry AFS) [Go to Page]
- B.8.1 General
- B.8.2 Principle
- B.8.3 Reagents
- B.8.4 Apparatus [Go to Page]
- B.8.4.1 Analytical balance
- B.8.4.2 AFS
- B.8.4.3 Plastic tube
- B.8.5 Procedure [Go to Page]
- B.8.5.1 Sample blank solution
- B.8.5.2 Sample solution
- B.8.5.3 Calibration curve
- B.8.5.4 Calculation and expression of results
- B.9 Determination of mercury (cold vapour atomic absorption spectrometry) [Go to Page]
- B.9.1 General
- B.9.2 Principle
- B.9.3 Reagents
- B.9.4 Apparatus
- B.9.5 Procedure [Go to Page]
- B.9.5.1 Preparation of test solution
- B.9.5.2 Blank test
- B.9.5.3 Calibration curve
- B.9.5.4 Determination
- B.9.6 Expression of results
- Annex C (informative)Analyses of chemical parameters – alternative methods [Go to Page]
- C.1 General
- C.2 Methods for metals other than aluminium
- C.3 Determination of arsenic (As), antimony (Sb), selenium (Se), cadmium (Cd) and lead (Pb) (Inductively Coupled Plasma Mass Spectrometry (ICP-MS)) [Go to Page]
- C.3.1 General
- C.3.2 Principle
- C.3.3 Reagents
- C.3.4 Apparatus
- C.3.5 Procedure [Go to Page]
- C.3.5.1 Sample blank solution
- C.3.5.2 Sample solution
- C.3.5.3 Spectrometer settings
- C.3.5.4 Calibration and measurement
- C.3.5.5 Calculation and expression of results
- C.4 Determination of iron (flame atomic absorption spectrometry) [Go to Page]
- C.4.1 General
- C.4.2 Principle
- C.4.3 Reagents
- C.4.4 Apparatus
- C.4.5 Procedure [Go to Page]
- C.4.5.1 Preparation of the test solution
- C.4.5.2 Blank test
- C.4.5.3 Determination
- C.4.5.4 Calculation of results
- C.4.6 Expression of results
- C.5 Determination of sodium (flame atomic absorption spectrometry) [Go to Page]
- C.5.1 General
- C.5.2 Principle
- C.5.3 Reagents
- C.5.4 Apparatus
- C.5.5 Procedure [Go to Page]
- C.5.5.1 Preparation of the test solution
- C.5.5.2 Blank test
- C.5.5.3 Determination
- C.5.5.4 Calculation of results
- C.5.5.5 Expression of results
- C.6 Determination of calcium (flame atomic absorption spectrometry) [Go to Page]
- C.6.1 General
- C.6.2 Principle
- C.6.3 Reagents
- C.6.4 Apparatus
- C.6.5 Procedure [Go to Page]
- C.6.5.1 Preparation of the test solution
- C.6.5.2 Blank test
- C.6.5.3 Determination
- C.6.5.4 Calculation of results
- C.6.6 Expression of results
- C.7 Evaluation of relative basicity (calculation method) [Go to Page]
- C.7.1 General
- C.7.2 Principle
- C.7.3 Procedure
- C.7.4 Determine the contents of the elements aluminium, iron, sodium (if necessary), calcium (if necessary), chloride, sulfate and silicon in accordance with the methods listed in Tables 1 and 2.Expression of results
- C.7.5 Calculated relative basicity
- C.8 Determination of aluminium (CDTA complexometric method after separation of iron) [Go to Page]
- C.8.1 General
- C.8.2 Principle
- C.8.3 Reagents
- C.8.4 Apparatus
- C.8.5 Procedure [Go to Page]
- C.8.5.1 Preparation of the test solution
- C.8.5.2 Blank test
- C.8.5.3 Determination
- C.8.5.4 Expression of results [Go to Page]
