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31种元素ICP-MS标准溶液
3,4-二氯苄溴, ≥98.0%
2,2-Dichlorobutyrophenone for synthesis
1-[(4-Methylphenyl)thio]acetone, 97%
2,5-二苯基恶唑[用于闪烁光谱法],99.0%(N)
1-Adamantyl isocyanate, 98% 1GR
3,5-Dichlorobenzaldehyde, 97% 5GR
Molybdenum standard solution, 1 mg/ml Mo in 2% HNO3, for AAS 100ML
心肌黄酶 来源于克鲁氏梭状芽孢,lyophilized powder, 3.0-20.0 units/mg protein (biuret)
5-Fluoro-2-hydroxypyridine, 97%,