乙二醇-双(β-氨乙醚)-N,N,N′,N′-四乙酸四钠盐 [EGTA四钠盐],Ethylene glycol-bis(β-aminoethyl ether)-N,N,N′,N′-tetraacetic acid tetrasodium salt;≥97%
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无水碳酸钠,Sodium carbonate;ACS reagent, anhydrous, ≥99.5%, powder or granules
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乙酰丙酮酸铜 [乙酰丙酮铜],Copper(II) acetylacetonate;≥99.9% trace metals basis
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无水碳酸钠,Sodium carbonate;puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)
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聚甲基丙烯酸甲酯 [PMMA],Poly(methyl methacrylate);average Mw ~15,000 by GPC, powder
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尿素酶来源于洋刀豆 [脲酶],Urease from Canavalia ensiformis (Jack bean);Type III, powder, 15,000-50,000 units/g solid
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亚精胺 [精脒],Spermidine;BioReagent, for molecular biology, suitable for cell culture, ≥98%