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品质保障
专业品质
铥标准溶液
20ml,1000ug/ml Tm in 10%HCl
除草定标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
1,2,4-三氯苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
硝基苯标准溶液
2ml,analytical standard,1000ug/ml in methanol
丁草胺标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
1,2,4-三氯苯标准溶液
2ml,analytical standard,0.109mg/ml in isooctane
邻氯苯酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
甲基溴硫磷标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
铼标准溶液
50ml,1000ug/ml,in 1.0mol/L Nitric acid
外环氧七氯标准溶液
1ml,analytical standard,100ug/ml in Petroleum ether
3,4-苯并芘标准溶液
2ml,analytical standard,5.0ug/mL in methanol
三氯甲烷和四氯化碳混合标准溶液
2ml,analytical standard,Trichloromethane:6.00mg/L,Carbon tetrachloride:0.199mg/L in Methanol
乙酸乙酯标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
三唑酮标准溶液
1ml,100ug/ml in Petroleum ether
敌敌畏标准溶液
2ml,analytical standard,1.00mg/ml in methanol
禾草敌标准溶液
1ml,100ng/μl in Cyclohexane
三唑酮标准溶液
1ml,analytical standard,10ug/ml in petroleum ether
禾草敌标准溶液
10ml,10ng/μl in Cyclohexane
间二甲苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
乐果标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
对二甲苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
甲基毒死蜱标准溶液
1ml,1000ppm in acetone
钠标准溶液
50ml,100ug/ml in 1%HCl
alpha-六六六标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
氯苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
邻二甲苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
外环氧七氯标准溶液
1ml,analytical standard,100ug/ml in Petroleum ether
alpha-六六六标准溶液
1ml,analytical standard,10ug/ml in petroleum ether
氯苯标准溶液
2ml,analytical standard,0.117mg/ml in isooctane
毒死蜱标准溶液
1.2ml,analytical standard,100ug/ml in acetone
外环氧七氯标准溶液
1ml,analytical standard,10ug/ml in Petroleum ether
alpha-六六六标准溶液
1.2ml,100 μg/mL in methanol
丙烯醛-2，4-二硝基苯腙标准溶液
1.2ml,100μg/ml in Acetonitrile
甲基谷硫磷标准溶液
1ml,1000ug/ml in Acetone
一氯二溴甲烷标准溶液
1.2ml,460μg/ml in methanol
alpha-六六六标准溶液
2ml,analytical standard,50ug/ml in methanol:toluene(4:1)
一氯二溴甲烷标准溶液
2ml,460μg/ml in methanol
丙烯醛-2，4-二硝基苯腙标准溶液
1.2ml,100μg/ml in Acetonitrile
一氯二溴甲烷标准溶液
2ml,45.2ug/ml in methanol
β-六六六标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
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