DZ/T 0064.67-2021
Methods for analysis of groundwater quality-Part 67:Determination of sulfide—N,N-dimethyl-1,4-phenylenediamine spectrophotometry
GB 1886.354-2021
DZ/T 0064.67-1993
HG/T 5845\uff5e5848-2021
HG/T 5949\uff5e5950-2021
GB/T 26603-2011
N,N-Dimethy aniline
MT/T 371-1994
GB/T 21395-2024
Dimethyl sulfoxide
HG/T 5848-2021
2,4-Dimethylacetoacetanilide
GB/T 15045-2013
Fatty alkyl dimethyl tertiary amines
GB/T 23953-2009
Dimethyldichlorosilane for industrial use
HG/T 5619-2019
YS/T 1388-2020
GB/T 26458-2011
Fatty alkyl dimethyl amine oxides
HG/T 2366-2015
Polydimethylsiloxane trimethylsiloxy terminated
QB/T 4646-2014
Dimethyl benzyl carbinyl butyrate
QB/T 4658-2014
Dimethyl benzyl carbinyl acetate
HG/T 4470-2012
HG/T 4417-2012
HG/T 6144-2023