BS EN 12946:2000:2002 Edition
$86.31
Liming materials. Determination of calcium content and magnesium content. Complexometric method
| Published By | Publication Date | Number of Pages |
| BSI | 2002 | 12 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | National foreword |
| 4 | Foreword Contents |
| 5 | 1 Scope 2 Normative references 3 Principle 4 Reagents 4.1 General 4.2 Hydrochloric acid solution 4.3 Hydrochloric acid solution 4.4 Hydrochloric acid solution 4.5 Standard calcium solution, containing 2,004 g of calcium per litre 4.6 Standard magnesium solution, containing 1,216 g of magnesium per litre |
| 6 | 4.7 Ethylenediamine tetraacetic acid (EDTA) standard solution, c(EDTA) = 0,05 mol/l 4.8 Calcein thymolphthalein indicator 4.9 Calcon carbonic acid indicator 4.10 Eriochrome black T indicator 4.11 Triethanolamine 4.12 Buffer solution, pH 10,5 4.13 Sodium hydroxide solution 5 Apparatus 5.1 Test sieve 5.2 Pestle and mortar 5.3 Electric hot plate 5.4 Magnetic or mechanical stirrer. 5.5 pH meter |
| 7 | 6 Sampling 7 Procedure 7.1 Preparation 7.2 Determination 7.3 Control test of the standard solutions |
| 8 | 8 Expression of results 9 Precision 9.1 General 9.2 Repeatability 9.3 Reproducibility |
| 9 | 10 Test report |
