YS/T 1503-2021
GB/T 1648-2013
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
GB/T 17814-2022
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
HG/T 6008\uff5e6010-2022
HG/T 6008-2022
GB/T 1648-2007
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)
GB/T 1648-2001
H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)
HG/T 3463-2000
Chemical reagent Arsenazo Ⅲ
T/QAS 086-2023
GB/T 17814-2011
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,ethoxyquin and propyl gallate in feeds
DB43/T 478-2009
ASTM D7736-19a(2023)
Standard Test Method for Determination of Acids and Glycol Esters in Glycols
HG/T 5803\uff5e5806-2021
HG/T 4416-2012
GB/T 26324-2010
1-Hydroxyethylidene-1,1-diphosphonate acid
ASTM D7736-19a
Standard Test Method for Determination of Acids and Glycol Esters in Glycols
GB/T 21896-2019
2-Naphthylamine-1,5-disulfonic acid (sulphonic Tobias acid )
GB/T 24415-2009
2-Naphthylamine-4,8-disulfonic acid (Amino C acid )
ASTM D7881-20e1
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
ASTM D7883-20
Standard Test Method for Determination of 4-Carboxybenzaldehyde and