This standard specifies the method for determining the average compressive strength of granular monoammonium phosphate and diammonium phosphate particles. This standard applies to the determination of the average compressive strength of ammonium phosphate fertilizers produced by phosphoric acid concentration method or slurry concentration method.
GB/T 10212-1988 history
1988GB 10212-1988 Determination of average compressive strength of ammonium phosphate and diammonium phosphate particles