-
First Standard® 甲醇中14种农药混标溶液,10μg/mL
11 Pesticide Mix Solution in Methanol, 10μg/mLFirst Standard®天津
-
钴标准溶液,7440-48-4,analytical standard ,100ug/ml in 1%HNO3
-
扑草净标准溶液,7287-19-6,analytical standard,10μg/ml in acetone
-
扑草净标准溶液,7287-19-6,analytical standard,100μg/ml in acetone
-
2,4-二硝基甲苯标准溶液,121-14-2,analytical standard,1000ug/ml in methanol
-
67X MgF1 镁合金
-
67X MgF2 镁合金
-
67X MgG3 镁合金
-
六氯乙烷,67-72-1,Standard for GC, ≥99.5% (GC)
-
67X MgF4 镁合金
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