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碘酸钾标准溶液,7758-05-6,0.1M
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杀螟硫磷标准溶液,122-14-5,analytical standard,100ug/mL in methanol
-
四氯乙烯标准溶液,127-18-4,analytical standard,1000ug/ml in methanol
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1,2,4-三氯苯标准溶液,120-82-1,analytical standard,1000ug/ml in methanol
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C灭蝇胺标准溶液,66215-27-8,analytical standard,100ug/ml in H2O
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乙酸钠,三水,6131-90-4,technical grade
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四氯化碳标准溶液,56-23-5,0.299mg/L,基体:甲醇
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四氯化碳标准溶液,56-23-5,0.6mg/L,基体:甲醇
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对硝基苯酚标准溶液,100-02-7,analytical standard,1.00mg/ml in methanol
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乙醇酸酯标准品 单元素标准品
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