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Phosphate @ 1000ug/ml in water
α-甲基苯乙烯
甲醇(DMSO)中萘啶酸溶液
Desulfogluconasturtiin (uncertified) 标准品
CinnamicacidinMethanol
3-Hexanone (无证书)
Fenchlorphos-oxon
丙酮中氯氟氰菊酯溶液标准物质
3,4,5-Trichlorophenyl-4-nitrophenyl ether 标准品
校准标样#4 (16种碱土元素混标)