氯化钾镁肥
项目Item | 优等品 | 一等品 | 合格品 |
氧化钾(K2O)的质量分数/% potassium oxide mass fraction % ≥ | 43.0 | 40.0 | 35.0 |
镁(Mg)的质量分数/%Magnesium mass fraction %≥ | 4.0 | 4.0 | 4.0 |
钠(Na+)% ≤ | 1.0 | 1.0 | 1.0 |
游离水(H20)的质量分数/% mass fraction % ≤ | 1.5 | 1.5 | 2.0 |
水不溶物% Water insoluble % ≤ | 1.0 | 1.0 | 1.0 |
粒度(1. 00mm-4. 75mm)/% Granularity | 90 | 80 | 80 |
注:晶体产品不做粒度要求。在包装容器上标明含氯,可不检验该项目。 Note: Crystal products do not make particle size requirements. If the packaging container is marked with chlorine, this item may not be tested. |