CEN EN 15921 Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
Список продуктов
Данный раздел/документ содержится в продуктах:
Данный раздел/документ содержится в продуктах:
- Техэксперт: Машиностроительный комплекс
- Картотека зарубежных и международных стандартов
- ISO 25475 Fertilizers - Determination of ammoniacal nitrogen - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
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- ISO 25475 Fertilizers - Determination of ammoniacal nitrogen - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- 65.080
- ISO 25475 Fertilizers - Determination of ammoniacal nitrogen - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 25475 Fertilizers - Determination of ammoniacal nitrogen - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 25475 Fertilizers - Determination of ammoniacal nitrogen - First Edition
- ISO 15604 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 14820-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation - First Edition
- ISO 25705 Fertilizers - Determination of urea condensates using highperformance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B) - First Edition
- ISO 14820-1 Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling - First Edition
- ISO 15959 Fertilizers - Determination of extracted phosphorus - First Edition
- ISO 25475 Fertilizers - Determination of ammoniacal nitrogen - First Edition
- Картотека зарубежных и международных стандартов
European Committee for Standardization
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
N EN 15921
Annotation
This document specifies the procedure for the determination of soluble phosphorus in alkaline ammonium citrate.
The method is applicable exclusively to precipitated dehydrated dicalcium phosphate (CaHPO4 . 2H2O).
Автоматический перевод:
Удобрения - Добыча разрешимого фосфора по словам Петермана в 65 °C
Этот документ определяет способ приготовления для определения разрешимого фосфора в щелочном цитрате аммония.
Метод применим исключительно к ускоренному обезвоженному dicalcium фосфату (CaHPO4. 2H2O).
Эквиваленты данного стандарта:
