-
邻苯二酚标准溶液,120-80-9,analytical standard,1000ug/ml in methanol
-
残杀威标准溶液,114-26-1,analytical standard,100ug/ml in acetone
-
p, p’-DDE标准溶液,72-55-9,analytical standard,100ug/ml in petroleum ether
-
德国默克ICP多元素标准溶液IV 1.11355.0100
-
ICP-MS标样
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亚硝酸盐标准溶液
-
硝酸盐氮标准溶液
-
五氯硝基苯标准溶液,82-68-8,analytical standard,100ug/ml in benzene
-
亚硝酸盐标准溶液,100mg/L in water
-
钼标准溶液,7439-98-7,100ug/ml in 1%HCl
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