售后无忧
品质保障
专业品质
a-硫丹标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
丙草丹标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
阿特拉津标准溶液
1ml,100ug/ml in acetone,u=4%
芴标准溶液
1ml,2000ug/ml in Toluene
五氯硝基苯标准溶液
1ml,analytical standard,10ug/ml in benzene
氯氰菊酯标准溶液
1ml,analytical standard,10ug/ml,u=6%,in petroleum ether
残杀威标准溶液
1ml,analytical standard,100ug/ml in acetone
灭草松标准溶液
1ml,analytical standard,100ug/ml in Acetone
硝酸根离子(NO₃-)标准溶液
20ml,1000μg/ml in Water (20℃)
邻苯二甲酸二乙酯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
对硝基苯胺标准溶液
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
西玛津标准溶液
1ml,1000ug/ml in Acetone
对硝基氯苯标准溶液
2ml,analytical standard,1.00mg/ml in methanol
萘标准溶液
2ml,analytical standard,20.1ug/ml in methanol
阿特拉津标准溶液
2ml,1000ug/ml in Acetone
氰离子标准溶液
100ml,1mg/ml in water
甲基溴硫磷标准溶液
1ml,analytical standard,100μg/ml in acetone
硫酸根离子(SO₄2-)标准溶液
50ml,500μg/ml in Water (20℃)
双甲脒标准溶液
1ml,analytical standard,10ug/ml in methanol
二氧化硫标准溶液
20ml,analytical standard,100mg/L in formaldehyde solution
苯甲酸标准溶液
2ml,analytical standard,1.00mg/ml in petroleum ether
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
1,2,4-三氯苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
1,2,4-三氯苯标准溶液
2ml,analytical standard,0.109mg/ml in isooctane
敌敌畏标准溶液
2ml,analytical standard,1.00mg/ml in methanol
钼标准溶液
20ml,100ug/ml in 1%HCl
金标准溶液
50ml,1000ug/ml in 1.5mol/L HCl
金标准溶液
20ml,analytical standard ,100.0ug/g in 0.5mol/l HCl
4-氨基联苯标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
水硬度标准溶液
20ml,45.0mmol/l(以CaCO3计)，in 0.1mol/L HCl
铅标准溶液
20ml,500mg/L Pb in 1%HNO3
铅标准溶液
20ml,100ug/ml Pb in 1%HNO3
二氧化硅标准溶液
50ml,analytical standard,1000ug/ml in 0.05mol/L NaOH
速灭威标准溶液
1ml,analytical standard,10ug/ml in acetone
西玛津标准溶液
1ml,analytical standard,100μg/ml in acetone
顺-九氯标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
甲基毒死蜱标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
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