DB23/T 2077-2018
DB23/T 2077-2018
DB23/T 2077-2018
p-Sulfanilic acid
DB23/T 2077-2018
Chemical reagent Arsenazo Ⅲ
DB23/T 2077-2018
D-(-)-para-hydroxyphenylglycine
DB23/T 2077-2018
Sodium sulphanilate
DB23/T 2077-2018
DB23/T 2077-2018
D(-)Alpha-Parahydroxyphenylglycine Dane Salt(Methyl Potassium)
DB23/T 2077-2018
DB23/T 2077-2018
p-Sulfanilic Acid
DB23/T 2077-2018
DB23/T 2077-2018
DB23/T 2077-2018
Soil quality — Determination of linear alkylbenzene sulfonate (LAS) — Method by HPLC with fluorescence detection (LC-FLD) and mass selective detection (LC-MSD)
DB23/T 2077-2018
DB23/T 2077-2018
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
DB23/T 2077-2018
Basic chemical reagents(volumetry)--Anhydrous paramino-phenyl-sulfonic acid
DB23/T 2077-2018
Sludge, treated biowaste and soil - Determination of linear alkylbenzene sulfonates (LAS) by high-performance liquid chromatography (HPLC) with fluorescence detection (FLD) or mass selective detection (MS); German version CEN/TS 16189:2012
DB23/T 2077-2018
DB23/T 2077-2018
DB23/T 2077-2018
Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method