售后无忧
品质保障
专业品质
溴离子标准溶液
100ml,1000μg/ml in Water (20℃)
有机氯农药混合标准溶液
2ml,analytical standard ,in Toluene:Methanol(volume ratio 1:4)
水中总氮标准溶液
20ml,500mg/L
钠标准溶液
50ml,100ug/ml in 1%HCl
钼标准溶液
20ml,100ug/ml in 1%HCl
金标准溶液
50ml,1000ug/ml in 1.5mol/L HCl
β-六六六标准溶液
2ml,analytical standard,50ug/ml in methanol
1,1,2,2-四氯乙烷标准溶液
2ml,analytical standard,0.978mg/ml in methanol
1,2,4-三甲苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
锂标准溶液
50ml,1000ug/ml in1.0mol/L HNO3
电导标准溶液
125ml,12.88mS
铅标准溶液
20ml,100ug/ml Pb in 1%HNO3
氢氧化钠标准溶液
1L,1.000mol/L(1N)
三唑酮标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
1,2,3-三氯苯标准溶液
2ml,analytical standard,0.103mg/ml in isooctane
邻硝基甲苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
甲基异丁基甲酮标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
砷标准溶液
20ml,analytical standard, 0.500ug/g in 0.2%(v/v)H2SO4，K+2.2mg/L，Na+23mg/L，Cl-37mg/L
邻苯二酚标准溶液
2ml,analytical standard,1000ug/ml in methanol
二溴一氯甲烷标准溶液
2ml,analytical standard,1.0mg/ml in methanol
1,4-二氧六环标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
硒标准溶液
20ml,100mg/L in water
皮蝇磷标准溶液
1ml,analytical standard,100ug/ml in acetone
氯离子标准溶液
20ml,100μg/ml in Water (20℃)
p,p’-DDT标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
1,2,3,4-四氯苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
钾标准溶液
20ml,500mg/L in water
2,4'-滴滴涕标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
苯线磷标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
钴单元素标准溶液
20ml,1000ug/mL,in 1%HNO3
百菌清标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
硝酸根离子(NO₃-)标准溶液
50ml,500ug/ml in Water (20℃)
锑标准溶液
50ml,1000μg/ml in 1%HF+5%HNO3
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
顺-1,2-二氯乙烯标准溶液
2ml,0.985mg/ml,基体:甲醇
氨氮标准溶液
20ml,500mg/L in H2O
间硝基苯酚标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
p, p’-DDE标准溶液
1ml,analytical standard,100ug/ml in petroleum ether
亮蓝标准溶液
5ml,analytical standard,0.500mg/ml in water
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