售后无忧
品质保障
专业品质
锗标准溶液
50ml,1000μg/ml,溶剂：1.0 mol/L HNO3 and tr. HF
重铬酸钾标准溶液
1L,1/60mol/L（0.1N）
丙硫克百威标准溶液
1ml,analytical standard,10μg/ml,u=4% in acetone
丙草胺标准溶液
1.2ml,analytical standard,100μg/ml in methanol
硝酸根离子(NO₃-)标准溶液
50ml,1000μg/ml in Water (20℃)
锑标准溶液
50ml,1000μg/ml in 1%HF+5%HNO3
多效唑标准溶液
1ml,analytical standard,10ug/ml in methanol
六氯丁二稀标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
多效唑标准溶液
1.2ml,analytical standard,100ug/ml in methanol
镝标准溶液
50ml,1000ug/ml in 1.0mol/L nitric acid
二甲基砷标准溶液
2ml,0.706umol/g,in water
二甲戊乐灵标准溶液
1ml,analytical standard,100ug/ml in acetone
3-氯-1,2-丙二醇标准溶液
2ml,1000μg/ml,基体：乙酸乙酯
2,3-二甲酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
1,1-二氯乙烷标准溶液
2ml,analytical standard,1.00mg/ml in methanol
镁标准溶液
20ml,100ug/ml in 5%HCl
二甲戊乐灵标准溶液
1ml,analytical standard,10μg/ml,u=2%, in acetone
喹硫磷标准溶液
1ml,analytical standard,100ug/ml in acetone
反式-1,2-二氯乙烯标准溶液
2ml,1.14mg/ml in methanol
镁标准溶液
50ml,100ug/ml in 5%HCl
喹硫磷标准溶液
1ml,analytical standard,10ug/ml in acetone
C灭蝇胺标准溶液
1ml,analytical standard,100ug/ml in H2O
2,5-二甲酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
氨氮标准溶液
20ml,500mg/L in H2O
溴螨酯标准溶液
1ml,analytical standard,10μg/ml,u=2% in ethyl acetate
硫氰酸钾标准溶液
1L,0.1000mol/L(0.1N)
3,4-二甲酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
氨氮标准溶液
50ml,500mg/L in H2O
硫氰酸钾标准溶液
1L,100g/L
氨氮标准溶液
20ml,100mg/L(as N ) in H2O
克草猛标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
钬标准溶液
100ml,1mg/ml in 1.0mol/L HNO3
钴标准溶液
20ml,500mg/L,in:3% HNO3
环氧乙烷标准溶液
1ml,0.2 mg/mL于异辛烷
硝酸银标准溶液
1L,0.01000mol/L(0.01N)
甲基嘧啶磷标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
农药混合物标准溶液（农残混标）
1ml,16种混合物组合；基质：丙酮;US EPA方法: 505
克菌丹标准溶液
1ml,analytical standard,100ug/ml in acetone
2,6-二甲酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
邻苯二甲酸二正壬酯标准溶液
2ml,analytical standard,136.0ug/ml in Methanol
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