维生素B12 [氰钴胺素, 腈钴胺],Vitamin B12 [CN-Cbl, VB12];analytical standard
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氯化亚铁四水合物,Iron(II) chloride tetrahydrate;for analysis EMSURE®, ≥98.0% (manganometric)
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氢氧化钾 [半导体级],Potassium hydroxide;semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)
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植物血球凝集素,Lectin from Phaseolus vulgaris (red kidney bean);Phytohemagglutinin PHA-P, lyophilized powder (contains ~50% buffer salts as sodium phosphate and NaCl), BioReagent, suitable for cell culture
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丹宁酶来源于无花果曲霉 [单宁酶],Tannase from Aspergillus ficuum;powder, white, ≥150 U/g
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次氮基三乙酸,Nitrilotriacetic acid [NTA];Pharmaceutical Secondary Standard; Certified Reference Material
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磷酸氢二钾三水合物,Potassium phosphate dibasic trihydrate;Calbiochem®, ≥99% (titration)