水溶肥料 水不溶物含量和pH的测定
Water soluble fertilizers—Determination of water insoluble matter content and pH

2021-05-07

水溶肥料有机质含量的测定
Water-soluble fertilizers--Determination of organic matter content

2010-12-23

규산 소듐 및 규산 포타슘(산업용) — 끓는 물에 난용성 제품의 용액 조제와 물에 녹지않는 물질 정량
工业用硅酸钠和硅酸钾 - 制备不易溶于沸水的产品溶液 并测定不溶于水的物质

2017-12-29

규산 소듐 및 규산 포타슘(산업용) — 끓는 물에 난용성 제품의 용액 조제와 물에 녹지않는 물질 정량
工业用硅酸钠和硅酸钾.不易溶于沸水的产品溶液的制备和不溶于水的物质的测定

2017-12-29

규산 소듐 및 규산 포타슘(산업용) — 끓는 물에 난용성 제품의 용액 조제와 물에 녹지않는 물질 정량
工业用硅酸钠和硅酸钾.不易溶于沸水的产品溶液的制备和不溶于水的物质的测定

2017-12-29

Sodium and potassium silicates for industrial use — Preparation of solution of products not easily soluble in boiling water and determination of matter insoluble in water
工业用硅酸钠和硅酸钾——不易溶于沸水产品溶液的制备及水不溶物的测定

1972-06-01

Fertilizers. Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C
肥料 固体脲醛和亚甲基脲缓释肥料中冷水不溶性氮和热水不溶性氮的测定 以及营养聚合物在pH值为7,5、温度为100℃的磷酸盐缓冲溶液中溶解度的测定

2021-01-18

Methods of sampling and test for sodium and potassium silicates for industrial use-Preparation of solutions of not readily soluble products and determination of matter insoluble in water
工业用硅酸钠和硅酸钾的取样和试验方法

1981-02-27

Dngemittel - Bestimmung von kalt- und heiwasserunlslichem Stickstoff in festen langsam freisetzenden Harnstoff-Formaldehyd- und Methylenharnstoff-Dngemitteln sowie Bestimmung der Lslichkeit von Nhrstoffpolymeren in Phosphatpufferlsung mit einem pH-Wert von 7,5 bei 100 C; Deutsche und Englische Fassung prEN 17403:2026
无机肥料固体尿素甲醛和亚甲基尿素缓释肥料中冷水不溶性氮和热水不溶性氮的测定以及100℃下营养聚合物在pH为7.5的磷酸盐缓冲溶液中溶解度的测定；德语和英语版本prEN 17403:2026

2026-03-01