售后无忧
品质保障
专业品质
硅标准溶液
50ml,1000ug/ml in 0.05mol/L NaOH
溴甲烷标准溶液
1ml,1000μg/ml in Methanol
伏杀硫磷标准溶液
1ml,analytical standard,100μg/ml in acetone
间氯苯酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
2,4'-滴滴涕标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
氟化物标准溶液
20ml,0.80mg/L,in H2O
克螨特标准溶液
1ml,analytical standard,100μg/ml in methanol
克螨特标准溶液
1ml,analytical standard,10μg/ml in methanol
芴标准溶液
1ml,2000ug/ml in Toluene
抗蚜威标准溶液
1ml,analytical standard,10μg/ml in acetone
苯线磷标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
砷酸根标准溶液
2ml,analytical standard,0.233umol/g in H2O
硝酸根离子(NO₃-)标准溶液
50ml,1000μg/ml in Water (20℃)
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
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
敌稗标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
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
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
硝基苯标准溶液
2ml,analytical standard,1.00mg/ml in methanol
四螨嗪标准溶液
1ml,analytical standard,10ug/ml in actone
p, p’-DDE标准溶液
1ml,analytical standard,10μg/ml in petroleum ether
环氧乙烷标准溶液
1ml,0.2 mg/mL于异辛烷
六氯-1,3-丁二烯标准溶液
1ml,100mg/L,溶剂:甲醇
硝酸银标准溶液
1L,0.01000mol/L(0.01N)
硝酸盐氮标准溶液
20ml,1000ug/ml in Water (20℃)
硝酸盐氮标准溶液
50ml,1000ug/ml in Water (20℃)
p, p’-DDE标准溶液
2ml,50.0ug/mL in Toluene:Methanol(volume ratio 1:4)
绿麦隆标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
苯标准溶液
2ml,analytical standard,1000ug/ml in carbon disulfide
硫丹硫酸酯标准溶液
1ml,100mg/L于甲苯：己烷 1：1
铯标准溶液
100ml,1000μg/ml in 2-5%HNO3
3-氯丙腈标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
a-硫丹标准溶液
1ml,analytical standard,100ug/ml,u=3% in benzene
β-硫丹标准溶液
1ml,analytical standard,10ug/ml in hexane
间二甲苯标准溶液
2ml,1mg/ml in Methanol,for Water Analysis
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