Polyvinylpyrrolidone (average mol wt 40,000)
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Hóa Chất Sigma

Polyvinylpyrrolidone (average mol wt 40,000)

Potassium dicyanoaurate(I)
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Hóa Chất Sigma

Potassium dicyanoaurate(I)

Prednisolone ≥99% ( Cas 50-24-8)
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Hóa Chất Sigma

Prednisolone ≥99% ( Cas 50-24-8)

Proteinase K from Tritirachium album (lyophilized powder, ≥30 unitsmg protein)
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Hóa Chất Sigma

Proteinase K from Tritirachium album

Quercetin ≥95% (HPLC, Sigma Aldrich, Cas 117-39-5)
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Hóa Chất Sigma

Quercetin ≥95% (HPLC, Sigma Aldrich, Cas 117-39-5)

Quinacrine mustard dihydrochloride
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Quinacrine mustard dihydrochloride

Retinyl Acetate (Sigma Aldrich)
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Retinyl Acetate (Sigma Aldrich)

Salicylic acid (Pharmaceutical Secondary Standard)
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Salicylic acid (Pharmaceutical Secondary Standard)

Salicylic Acid Related Compound B
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Salicylic Acid Related Compound B

Saponin Quillaja sp.( Sapogenin content 20-35 %)
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Saponin Quillaja sp.

Selenium dioxide
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Selenium dioxide

Silicon Standard for ICP (TraceCERT®, 1000 mg/L Si in NaOH)
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Hóa Chất Sigma

Silicon Standard for ICP