HG/T 5886\uff5e5889-2021
GB/T 25782-2010
1-Naphthol
GB/T 23666-2009
1-Naphthol-5-sulfonic acid (L acid )
HG/T 5886-2021
1-Acetamido-7-hydroxynaphthalene
HG/T 2897-2016
1-Naphthol-4-sulfonic acid (Neville and Winter's acid)
HG/T 3410-2002
1-Naphthol
KS M 8422-2012(2023)
1-Naphthol
GB/T 6730.44-2017e
Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthoI spectrophotometric method
GB/T 6730.44-2017
Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method
GB 5009.282-2020
HG/T 5946\uff5e5948-2021
HG/T 5948-2021
HG/T 2897-2009
HG/T 2306-2020
1-Phenyl-3-methyl-5-pyrazolone
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
HG/T 5653-2019
HG/T 2897-1997
HG/T 2891-2011
HG/T 5947-2021
HG/T 5946-2021