Determination of certain substances in electrotechnical products - Part 3-1: Screening - Lead, mercury, cadmium, total chromium total bromine, total phosphorus, total chlorine, total tin and total antimony content by x-ray fluorescence spectrometry (IEC 111/813/CDV) (english version)
Edition 2025-06-01

BS ISO 622 Coal and coke - Determination of phosphorus - Reduced molybdophosphate photometric method
Edition 2024-05-09

Coal and coke. Determination of phosphorus. Reduced molybdophosphate photometric method
Edition 2025-07-01

Nickel, ferronickels and nickel alloys. Determination of phosphorus content. Phosphovanadomolybdate spectrophotometric method
Edition 2022-02-02

Fertilizers, soil conditioners and beneficial substances. Determination of EDTA soluble phosphorus content in inorganic fertilizers
Edition 2021-07-29

Fireworks. Test methods for determination of specific chemical substances. Phosphorus content by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)
Edition 2022-08-03

Processed cheese products. Calculation of content of added phosphate expressed as phosphorus
Edition 2013-07-31

Fertilizers, soil conditioners and beneficial substances. Determination of ammonium citrate, disodium-EDTA soluble phosphorus and potassium by ICP-OES in inorganic fertilizers
Edition 2023-08-09

Organo-mineral fertilizers - Extraction of phosphorus by formic acid (Endorsed by Asociación Española de Normalización in May of 2022.)
Edition 2022-05-01

Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrate (Endorsed by Asociación Española de Normalización in May of 2022.)
Edition 2022-05-01