T/CCCMHPIE 1.85-2023
AWWA ACE68863
Revisiting the pH Effect on Orthophosphate Control of Plumbosolvency
CEN/TS 17403:2021
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
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
ISO 851:1976
Sodium tripolyphosphate for industrial use — Measurement of pH — Potentiometric method