聚乙烯醇 [PVA],Poly(vinyl alcohol);Mw 31,000-50,000, 98-99% hydrolyzed
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硫脲,Thiourea;Pharmaceutical Secondary Standard; Certified Reference Material
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草酸二水合物,Oxalic acid dihydrate [OAD];ACS reagent, ≥99%
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邻苯二甲醛,Phthaldialdehyde [OPA];≥97% (HPLC), powder (may contain lumps)
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槲皮素水合物 [二水槲皮素],Quercetin dihydrate;≥95%
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磷酸二氢钾,Potassium phosphate monobasic;ACS reagent, ≥99.0%
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芹菜素,Apigenin;analytical standard, ≥99% (HPLC)