This standard specifies methods for the determination of water insoluble content and ph value in water soluble fertilizers. Applicable to the detection of liquid or solid water soluble fertilizers. The normative reference documents involved include GB/T 6682, GB/T 11415 and NY/T 887. The principle of determination of water insoluble content involves sample dissolving, filtrating, drying and weighing, while the determination of ph value involves sample preparing, water dissolving, filtrating, drying and weighing. The test steps include weighing the sample, dissolving, filtrating, drying and weighing, and need to be carried out under strictly controlled temperature conditions.
| Status | Active |
|---|---|
| CCS | (B10) 土壤、肥料综合 | ICS | (65.080) 肥料 |
| Release Date | 2021-05-07 00:00:00 | Implementation Date | 2021-11-01 00:00:00 |