氧化锗(IV),Germanium(IV) oxide;(crystalline powder), 99.998% trace metals basis
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碳酸氢钠,Sodium bicarbonate;puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E500, 99.0-100.5%, powder
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尿素,Urea;BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)
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氧氟沙星,Ofloxacin;VETRANAL®, analytical standard
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茜素红S,Alizarin Red S;certified by the Biological Stain Commission
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四乙基氯化铵,Tetraethylammonium chloride [TEAC];BioUltra, for molecular biology, ≥99.0% (AT)