柠檬酸三钠二水合物,Sodium citrate tribasic dihydrate;≥99% (titration)
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黄曲霉毒素B1 [黄曲霉素B1],Aflatoxin B1 from Aspergillus flavus [AFB1];≥98.0% (HPLC)
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氯化铕 (III)六水合物,Europium(III) chloride hexahydrate;99.9% trace metals basis
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三氧化二铥 [氧化铥(III)],Thulium(III) oxide;99.9% trace metals basis
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聚乙二醇三甲基壬基醚,TERGITOL™ TMN-100X solution;laboratory grade
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丁基羟基茴香醚,Butylated hydroxyanisole [BHA];analytical standard, ≥99.0% (sum of isomers, GC)
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羟乙基哌嗪乙硫磺酸,HEPES, Free Acid, ULTROL® Grade;A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.