This standard specifies the preparation method of organic-inorganic compound fertilizer sample solution and the determination method of total phosphorus content. This standard applies to organic-inorganic compound fertilizers composed of various organic fertilizers and chemical fertilizers, and also applies to the preparation of various organic fertilizer sample solutions and the determination of total phosphorus content.
GB/T 17767.2-1999 history
2010GB/T 17767.2-2010 Determination of organic-inorgnaic compound fertilizers-Part2:Total phosphorus content
1999GB/T 17767.2-1999 Determination of total phosphorus content for organic-inorganic compound fertilizer