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三氟化硼/甲醇混合物 (20% solution in methanol) for synthesis
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三氟化硼/甲醇混合物 (20% solution in methanol) for synthesis
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Dehydrothio-p-toluidine | MedChemExpress (MCE)
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吡虫啉甲醇溶液标准物质,138261-41-3,analytical standard,1.00mg/ml in methanol
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EPA 502 VOC 有机挥发物混标,53 components each 200μg/mL in methanol solution
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甲基毒死蜱标准溶液,5598-13-0,100ug/ml in acetone,u=6~4%
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锶标准溶液,7440-24-6,100ug/mL in 5%HCl
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丙酮中乙嘧硫磷标准溶液,38260-54-7,analytical standard,100ug/ml in acetone
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甲醇中辛硫磷溶液,14816-18-3,100μg/mL in Methanol,不确定度3%
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除草醚标准溶液,1836-75-5,analytical standard,100ug/ml in petroleum ether
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