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UNE-EN 16913
Ambient air - Standard method for measurement of NO₃⁻, SO₄²⁻, Cl⁻, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺ in PM2,5 as deposited on filters
Edition
2018-02-28
NF T94-402 ; NF EN 1407:2023-10-11
Chemicals used for treatment of water intended for human consumption - Anionic and non-ionic polyacrylamides
Edition
2023-10-11
BS EN ISO 15681-2
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA). Method by continuous flow analysis (CFA)
Edition
2018-12-11
NF T90-083-2 ; NF EN ISO 15681-2:2018-12-05
Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: method by continuous flow analysis (CFA)
Edition
2018-12-05
NF X43-035 ; NF EN 16913:2017-07-21
Ambient air - Standard method for measurement of NO3-, SO42-, Cl-, NH4+, Na+, K+, Mg2+, Ca2+ in PM2,5 as deposited on filters
Edition
2017-07-21
BS 434-1+A1
Bitumen road emulsions. Specification for anionic bitumen road emulsions
Edition
2011-01-31
BS 3762-3.1
Analysis of formulated detergents. Quantitative test methods. Method for determination of anionic-active matter content
Edition
1990-06-29
BS EN ISO 15681-1 ; BS 6068-2.86:2004-01-07
Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA). Method by flow injection analysis (FIA)
Edition
2004-01-07
NF T90-083-1 ; NF EN ISO 15681-1:2005-05-01
Water quality - Determination of orthophosphate and total phosphorus by flow analysis (FIA and CFA) - Part 1: method by flow injection analysis (FIA)
Edition
2005-05-01
BS 6068-2.48
Water quality. Physical, chemical and biochemical methods. Determination of inorganically bound total fluoride after digestion and distillation
Edition
1995-04-15