硬脂酸 [标准品],Stearic acid;analytical standard, ≥98.5%
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四正丁基四苯基硼酸铵,Tetrabutylammonium tetraphenylborate [TBATB];for electrochemical analysis, ≥99.0%
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核糖核酸酶A来源于牛胰腺 [RNA酶A],Ribonuclease A from bovine pancreas [RNase A];Type II-A, ≥60% (SDS-PAGE), >= 60 Kunitz units/mg protein
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亚硝酸钠-15N,Sodium nitrite-15N;98 atom % 15N, 95% (CP)
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凝血酶来源于牛血浆,Thrombin from bovine plasma [Factor IIa];lyophilized powder, ≥2,000 NIH units/mg protein (E1%/280 = 19.5)
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3,4-呋喃二羧酸二甲酯,Dimethyl 3,4-furandicarboxylate;98%
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乙二胺四乙酸二钾盐二水合物 [EDTA二钾盐],Ethylenediaminetetraacetic acid dipotassium salt dihydrate;for analysis, ≥99.0%