-
N，N-Dimethyl-p-
-
N，N-Dimethyl-p-
phenylenediamine,for spectrophotometric det. of SO42-, S2-, ≥97%, 100g
-
N，N-Dimethyl-p-
phenylenediamine,for spectrophotometric det. of SO42-, S2-, ≥97%, 5g
-
N，N-Dimethyl-p-
phenylenediamine,for spectrophotometric det. of SO42-, S2-, ≥97%, 25g
-
3，3′-Dimethoxybenzidine,for spectrophotometric det. of Au, NO2-, Ce(IV), for the detection of Au, Co, Cu, SCN-, V, ≥97%, 10g
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р-Touidine,for spectrophotometric det. of Au, Tl(III), W, ≥99%, 100g
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1-(4-(
Phenylamino)
phenyl)-1H-pyrrole-2，5-dione,, 1kg
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1-(4-(
Phenylamino)
phenyl)-1H-pyrrole-2，5-dione,, 50g
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1-(4-(
Phenylamino)
phenyl)-1H-pyrrole-2，5-dione,, 250g
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(R)-tert-Butyl 2-((ethylamino)methyl)pyrrolidine-1-carboxylate,≥97%, 1g
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(R)-tert-Butyl 2-((ethylamino)methyl)pyrrolidine-1-carboxylate,≥97%, 250mg
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2，6-Dichloro-4-(perfluoropropan-2-yl)aniline,98%, 25g
стр.: