BSI 15/30317857 DC:2015 Edition
$13.70
BS EN 15477. Fertilizers. Determination of the water-soluble potassium content
Published By | Publication Date | Number of Pages |
BSI | 2015 | 13 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
4 | Contents Page |
5 | Foreword |
6 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents |
7 | 6 Apparatus 7 Sampling and sample preparation 8 Procedure 8.1 Test portion |
8 | 8.2 Preparation of the aliquot part for precipitation 8.3 Weighing the crucible 8.4 Precipitation 8.5 Filtering and washing 8.6 Drying and weighing |
9 | 8.7 Aliquot parts to be taken as samples and conversion factors Table 1 — Aliquot parts and conversion factors 8.8 Blank test 8.9 Control test 9 Calculation and expression of the result 9.1 Dilution according to Table 1 |
10 | 9.2 Dilution different from Table 1 10 Precision 10.1 Inter-laboratory test 10.2 Repeatability 10.3 Reproducibility Table 2 — Mean values, repeatability and reproducibility limits |
11 | 11 Test report |
12 | Annex A (informative) Results of the inter-laboratory tests Table A.1 — Statistical results of the inter-laboratory test |
13 | Bibliography |