BS ISO 15959. Fertilizers. Determination of extracted phosphorus
Edition 2014-12-09

BS EN ISO 10714. Steel and iron. Determination of phosphorus content. Phosphovanadomolybdate spectrophotometric method
Edition 2023-11-14

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

Solid mineral fuels. Determination of phosphorus content. Reduced molybdophosphate photometric method
Edition 2016-11-30

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