水溶肥料有机质含量的测定
Water-soluble fertilizers--Determination of organic matter content
2010-12-23
KS M ISO 2122
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
KS M ISO 2122(2022 Confirm)
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
ISO 2122-1972
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
BS PD CEN/TS 17403-2021
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
DIN CEN/TS 17403
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; German version CEN/TS
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 以及在100℃pH值为7.5的磷酸盐缓冲溶液中营养聚合物溶解度的测定；德语版CEN/TS
2021-03-01
BS 6092-6-1981
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