HG/T 4416-2012
HG/T 4416-2012
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
HG/T 4416-2012
HG/T 4416-2012
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)
HG/T 4416-2012
H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)
HG/T 4416-2012
Chemical reagent Arsenazo Ⅲ
HG/T 4416-2012
HG/T 4416-2012
HG/T 4416-2012
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 18: Determination of 1.2-dihydroxybenzene, 1.3-dihydroxybenzene, 1.4-dihydroxybenzene, 4.4'-dihydroxybenzophenone and 4.4'-dihydroxybiphenyl in food simulants; German version CEN/TS 13130-18:2005
HG/T 4416-2012
Dye, Red, 2,5,2',5'-Tetramethyltriphenylmethane-4,4'-Diazo-Bis-Betahydroxynaphthoic Anilide
HG/T 4416-2012
HG/T 4416-2012
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 18: Determination of 1,2-dihydroxybenzene, 1,3-dihydroxybenzene, 1,4-dihydroxybenzene, 4,4-dihydroxybenzophenone and 4,4dihydroxybiphenyl in food simulants
HG/T 4416-2012
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
HG/T 4416-2012
Coking naphthalene
HG/T 4416-2012
Technical methylnaphthalene
HG/T 4416-2012
Methylnaphthalene oil
HG/T 4416-2012
HG/T 4416-2012
1-Naphthyamine
HG/T 4416-2012
Naphthalene sulphuric acid test
HG/T 4416-2012
Technical methylnaphalene-The determination of methylnaphthalene content and naphthalene content-The gas chromatography