售后无忧
品质保障
专业品质
苊标准溶液
1ml,2000ug/ml in Toluene
亚硝酸盐标准溶液（以氮计）
20ml,100mg/L in water
2,4-二硝基甲苯标准溶液
2ml,analytical standard,1.00mg/ml in methanol
硝酸根离子(NO₃-)标准溶液
50ml,500ug/ml in Water (20℃)
钕标准溶液
20ml,1000ug/ml in 10%HCl
间硝基氯苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
p, p’-DDE标准溶液
1.2ml,analytical standard,100ug/ml in methanol
磷标准溶液
20ml,1000ug/ml in 1%HCl
西玛津标准溶液
1ml,1000ug/ml in Acetone
氢氧化钾标准溶液
1L,0.1000mol/L(0.1N)
1,2-二氯苯标准溶液
2ml,analytical standard,1000ug/ml in methanol
达草灭标准溶液
1ml,1000ug/ml in Acetone
γ-六六六标准溶液
2ml,analytical standard,50ug/ml in methanol:toluene(4:1)
钒标准溶液
50ml,analytical standard ,1000ug/ml in 0.5mol/L HNO3
敌百虫标准溶液
1ml,analytical standard,100ug/ml in acetone
硫酸根离子(SO₄2-)标准溶液
50ml,500μg/ml in Water (20℃)
黄曲霉素B2标准溶液
1.2ml,25 ug/mL in acetonitrile
氰戊菊酯标准溶液
1ml,analytical standard,10ug/ml in petroleum ether
镉标准溶液
20ml,100ug/ml in 1%HNO3
总有机碳（TOC）标准溶液
20ml,1000mg/L，in water
钴标准溶液
20ml,1000μg/ml in 1% HNO3
钡标准溶液
50ml,analytical standard,1000ug/ml in 1.0 mol/L HNO3
苯乙烯标准溶液
1.2ml,analytical standard,1000μg/ml in methanol
毒死蜱标准溶液
2ml,1000ug/ml in Methanol
氟硅唑标准溶液
1ml,analytical standard,1.00mg/ml in methanol
钠标准溶液
30ml,500mg/L in 1%HCl
(La,Ce,Pr,Nd,Sm,Y)多元素混合标准溶液（混标）
50ml,100μg/ml
（Al、Bi、Fe、Mn、Mo、Sb、Si、Ta、Ti、Zn、Zr）多元素混合标准溶液（混标）
50ml,100μg/ml,in 8% HNO3, 1% HF,Na+
灭幼脲标准溶液
1ml,analytical standard,100ug/ml in actone
2,4′-DDT标准溶液
1.2ml,analytical standard,50ug/mL in 2,2,4-Trimethylpentane
硫酸铜标准溶液
1L,0.1000mol/L(0.1M)
4-异丙基甲苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
钠离子标准溶液
100ml,1mg/ml in water
邻二甲苯标准溶液
1ml,analytical standard,1000ug/ml in carbon disulfide
铽标准溶液
20ml,1000ug/ml in 10%HCl
铥标准溶液
50ml,1000μg/ml
食用合成色素胭脂红标准溶液
5ml,analytical standard,0.50mg/ml in water
苯并[a]蒽标准溶液
1ml,2000ug/ml in Toluene
硝基苯标准溶液
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
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