GB/T 27563-2011
N-Methyl-2-Pyrrolidone for industrial use
32015D1875
GB/T 38409-2019
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
GB/T 38349-2019
Determination of N-methyl pyrrolidone in rubber shoes and sports footwear
GB/T 23670-2016
2-Amino-5-chloro-4-methybenzenesulfonic acid(CLT acid)
HG/T 5615-2019
HG/T 6077\uff5e6078-2022
HG/T 4716-2014
GB/T 27812-2011
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP)
QB/T 5430-2019
HG/T 2841-2023
HG/T 6035-2022
DB51/T 1789.9-2016
HG/T 5350-2018
Biochemical reagent-Tris (hydroxymethyl ) aminomethane
HG/T 5663-2019
32014D0688
HG/T 4328-2012
Water theatment chemical-Sodium salt of aminotrimethylene phosphonic acid
DB42/T 1720-2021
HG/T 2840-2010
Water treatment chemicals-Amino trimethylene phosphonic acid (solid)
QB/T 5159-2017
Test method of artificialleather and synthetic leather-N-Methyl pyrrolidone content