HG/T 6249-2023
HG/T 5620\uff5e5623-2019
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
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 15507-1995
Water quality--Determination of hydrazine--p-Dimetylaminobenzaldehyde spectrophotometric method
HG/T 5084-2016
Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)
HG/T 5949\uff5e5950-2021
GB/T 14375-1993
Water quality--Determination of monomethyl hydrazine--p-Dimethylaminobenzaldehyde spectrophotometric method
HG/T 5886\uff5e5889-2021
KS M 8555-2005(2023)
p-Dimethylaminobenzaldehyde
SN/T 4269-2015
Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography
20060430-T-467
UNE 84636:2007
Cosmetic raw materials. Sunscreens. 2-Hidroxy-4-methoxy fenone (oxibenzone).
32018R0240
KS M ISO 4327-2003(2023)
Non-ionic surface active agents-Polyalkoxylated derivatives -Determination of hydroxyl value-Phthalic anhydride method
32015D1875
ASTM D7881-20e1
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
32014D0688
ISO 4327:1979
Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method