钠标准溶液1.50mg/L,水质标样 间硝基甲苯 GR,99.0%
钠 CP,98.0% 正丙醛 AR,97%
溴丙烯, 包含≤1000 ppm 氧化丙烯稳定剂, 98% 聚氯乙烯 K-value 72-71
1-溴戊烷 GR,99% 聚氯乙烯 K-value 68-65
溴代十四烷 98% 聚氯乙烯 K-value 62-60
1-溴代正己烷 99% 聚氯乙烯 K-value 59-55
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4-methyl-2-Oxovalerate (sodium salt)1g 5g 10g 25g>95.00%Cas No. 4502-00-5C6H9O3?Na
4-Amino-5-(bromomethyl)-2-methylpyrimidine (hydrobromide)5mg 10mg 25mg 50mg>95.00%Cas No. 5423-98-3C6H8BrN3 ? 2HBr
4,6-O-Benzylidene-D-glucose5g 10g 25g 50g>95.00%Cas No. 30688-66-5C13H16O6
4β-hydroxy Cholesterol1mg 5mg 10mg 25mg>95.00%Cas No. 17320-10-4C27H46O2
6-Chloro-3-indolyl-β-D-Glucuronide (cyclohexylammonium salt)100 mg 250 mg 500 mg 1 g>95.00%Cas No. 138182-20-4C14H14ClNO7.C6H13N
7-Ethoxy-4-(trifluoromethyl)coumarin5 mg 10 mg 25 mg 50 mg>95.00%Cas No. 115453-82-2C12H9F3O3
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