GB/T 6730.44-2017(\u82f1\u6587\u7248)
铁矿石 锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法
SN/T 4039-2014
Determination of 1-naphthaleneacetamide,pyraflufen-ethyl,ethiprole,fipronil residues in foodstuffs for export - LC-MS/MS method
SN/T 0313-2014
Determination of molybdenum in steel for import and export - 8-hydroxyquinoline gravimetric after separation with thioacetamide
YB/T 5097-2007
32016R1015
32019R0291
T/GXAF 0011-2023
32011R0786
32016R1015R(01)
KS M 1915-2002(2007)
Phthalic anhydride for industrial use-Methods of test-Determination of 1,4-naphthaquinone content-Colorimetric method
32011R0786R(01)
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
ISO 1389-10:1977
Phthalic anhydride for industrial use — Methods of test — Part 10: Determination of 1,4- naphthaquinone content — Colorimetric method