明胶琼脂糖凝胶4FF,Gelatin Beads 4FF
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氧化锗(IV),Germanium(IV) oxide;(crystalline powder), 99.998% trace metals basis
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柠檬酸,Citric acid;Pharmaceutical Secondary Standard; Certified Reference Material
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氧化铅(II),Lead(II) oxide [PbO];99.999% trace metals basis
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胞壁酸,Muramic acid;≥95% (TLC)
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6-(马来酰亚胺基)己酸琥珀酰亚胺酯,6-Maleimidohexanoic acid N-hydroxysuccinimide ester [EMCS];98%
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乙二醇,Ethylene glycol [EG];Vetec™, reagent grade, 98%