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Fertilizers. Determination of acid-soluble potassium content. Preparation of the test solution
STANDARD published on 1.12.1995
Designation standards: ČSN ISO 7407
Classification mark: 654819
Catalog number: 18648
Publication date standards: 1.12.1995
SKU: NS-180019
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Norma obsahuje ISO 7407:1983. Stanoví referenční metodu přípravy zkušebních vzorků hnojiv pro následné stanovení draslíku rozpustného v kyselině. Postup při provádění normalizované zkoušky je podrobně popsán. ČSN ISO 7407 (65 4819) byla vydána v prosinci 1995. Nahradila čl.2.1 a 2.3 ČSN 65 4816 z 13.8.1982
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