20α-Hydroxycholesterol

5-Cholestene-3β,20α-diol

TIC 标准品，1000ppm, TIC Standard, 1000 ppm

α-Ketoglutaric acid disodium salt hydrate

α-酮戊二酸 二钠盐 水合物

硅ICP标准液, Silicon Standard for ICP

ICP砷标准品, Arsenic Standard for ICP

ICP多元素混标5, Multielement standard solution 5 for ICP

乙酰水杨酰水杨酸, Aspirin Impurity D

钾ICP标准液, Potassium Standard for ICP

Chrysophanol

4(5)-Methylimidazole

4-甲基-1H-咪唑

Tropaeolin O sodium salt

酸性橙 6

L-Arginine hydrochloride solution

L-精氨酸 盐酸盐 溶液

Sodium saccharin

糖精钠

钾离子标准液，用于离子色谱分析, Potassium Standard for IC

苹果酸标准液，用于离子色谱分析, Malate Standard for IC