售后无忧
品质保障
专业品质
水硬度标准溶液
20ml,45.0mmol/l(以CaCO3计)，in 0.1mol/L HCl
锰标准溶液
50ml,1000mg/L in 1%HNO3
灭线磷标准溶液
1ml,analytical standard,10ug/ml in acetone
对氯甲苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
钙标准溶液
20ml,analytical standard,100ug/ml in 5%HCl
三氯杀螨醇标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
稻瘟灵标准溶液
1ml,analytical standard,0.100mg/ml in methanol
二氧化硅标准溶液
80ml,analytical standard,100mg/L in 0.05%Na2CO3
特丁噻草隆标准溶液
1ml,1000ug/ml in Acetone
苯胺标准溶液
2ml,analytical standard,0.989 mg/ml in methanol
间甲酚标准溶液
1ml,2000ug/ml in Methanol
氟乐灵标准溶液
1ml,1000ug/ml in Methanol
1,3-二氯丙烷标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
锰标准溶液
20ml,1000mg/L in 1%HNO3
氢氧化钠标准溶液
1L,0.1000mol/L(0.1N)
速灭威标准溶液
1ml,analytical standard,100ug/ml in acetone
速灭威标准溶液
1ml,analytical standard,10ug/ml in acetone
乙酯杀螨醇标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
锆标准溶液
50ml,1000μg/ml, in 1.0mol/L HNO3 and trace HF
邻硝基甲苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
杀螟硫磷标准溶液
2ml,analytical standard,1.00mg/ml in methanol
砷标准溶液
20ml,analytical standard, 100mg/L in H2SO4
倍硫磷标准溶液
1ml,analytical standard,10ug/ml in acetone
氟胺氰菊酯标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
2,3-二溴丙酰胺标准溶液
1ml,analytical standard,100mg/L in ethyl acetate
乙草胺标准溶液
1ml,analytical standard,10ug/ml in acetone
硼标准溶液
100ml,analytical standard ,1000ug/ml in water
腐霉利标准溶液
1ml,analytical standard,100μg/ml in acetone
1,2-二氯乙烷标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
γ-六六六标准溶液
1.2ml,43.2μg/ml，溶剂：异辛烷
镥标准溶液
50ml,1000μg/ml in 1.0 mol/L HNO3
镥标准溶液
20ml,1000μg/ml in 10%HCl
三价铬标准溶液
50ml,analytical standard,1000ug/ml, in 1.0 mol/L HCL
1,2,3,4-四氯苯标准溶液
2ml,analytical standard,0.105mg/ml in isooctane
毒死蜱标准溶液
1ml,analytical standard,100ug/ml in acetone
伏杀硫磷标准溶液
1ml,analytical standard,10μg/ml in acetone
草萘胺标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
钾标准溶液
20ml,500mg/L in water
锡标准溶液
50ml,1000ug/ml in 3.0 mol/l HCl with trace HNO3
间甲酚标准溶液
2ml,analytical standard,0.98mg/ml in methanol
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