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Ammonium tetrachloroaurate(III) hydrate,98%, 250mg
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Ammonium tetrachloroaurate(III) hydrate,98%, 1g
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2-Hydroxyethyldisulfide,90%, 500g
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2-Hydroxyethyldisulfide,90%, 100g
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2-Hydroxyethyldisulfide,90%, 1g
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2-Hydroxyethyldisulfide,90%, 5g
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2-Hydroxyethyldisulfide,90%, 25g
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BERYLLON III,95%, 1g
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Poly(oxy-1，2-ethanediyl)，a-sulfo-w-[1-[(4-nonylphenoxy)methyl]-2-(2-propen-1-yloxy)ethoxy]-，branched， ammonium salts,90%, 2.5kg
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Poly(oxy-1，2-ethanediyl)，a-sulfo-w-[1-[(4-nonylphenoxy)methyl]-2-(2-propen-1-yloxy)ethoxy]-，branched， ammonium salts,90%, 25g
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Poly(oxy-1，2-ethanediyl)，a-sulfo-w-[1-[(4-nonylphenoxy)methyl]-2-(2-propen-1-yloxy)ethoxy]-，branched， ammonium salts,90%, 5g
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