枸橼酸西地那非,Sildenafil Citrate;Pharmaceutical Secondary Standard; Certified Reference Material
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8-氨基芘-1,3,6-三磺酸三钠盐,8-Aminopyrene-1,3,6-trisulfonic acid trisodium salt [APTS];BioReagent, suitable for fluorescence, ≥96.0% (HPCE)
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甘精肽 [双甘氨肽, 甘氨酸二肽],Gly-Gly [GlycylGlycine];Pharmaceutical Secondary Standard; Certified Reference Material
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磷酸二氢钠二水合物,Sodium phosphate monobasic dihydrate;EMPROVE® EXPERT, Ph. Eur., BP, JPE, USP
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磷酸氢二钾,Potassium phosphate dibasic;low in sodium, EMPROVE® API, Ph. Eur., BP, USP
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硫酸亚铁(II)铵六水合物,Ammonium iron(II) sulfate hexahydrate;99.997% trace metals basis
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聚磷酸钠 [偏磷酸钠],Sodium polyphosphate;(Graham′s salt) EMPLURA®