售后无忧
品质保障
专业品质
敌稗标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
溴螨酯标准溶液
1ml,100μg/ml,u=2%,in ethyl acetate
顺-1,2-二氯乙烯标准溶液
2ml,0.985mg/ml,基体:甲醇
镁标准溶液
100ml,1000ug/ml in 5%HCl
镁标准溶液
50ml,500mg/L in 1%HCl
铌标准溶液
50ml,1000μg/ml,in 1.0 mol/L hydrofluoric acid and trace HNO?
氨氮标准溶液
20ml,100mg/L(as N ) in H2O
铋标准溶液
50ml,analytical standard,1000ug/ml in 1.5 mol/L HNO3
克草猛标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
邻苯二甲酸二乙酯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
山梨酸标准溶液
10ml,analytical standard,1.00mg/ml in water
氨氮标准溶液
50ml,100mg/L(as N ) in H2O
铋标准溶液
80ml,analytical standard,100mg/L in 5%%HNO3
扑灭通标准溶液
1ml,1000ug/ml in Acetone
间苯二酚标准溶液
2ml,analytical standard,1000ug/ml in methanol
硝基苯标准溶液
2ml,analytical standard,1.00mg/ml in methanol
扑草净标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
四螨嗪标准溶液
1ml,analytical standard,10ug/ml in actone
六氯-1,3-丁二烯标准溶液
1ml,100mg/L,溶剂:甲醇
总氮标准溶液
50ml,analytical standard,1000μg/ml in water
甲基对硫磷标准溶液
1ml,analytical standard,10ug/ml in acetone
甲基对硫磷标准溶液
2ml,analytical standard,1.00mg/ml in methanol
磷标准溶液
20ml,1000ug/ml in 1%HCl
咪鲜胺标准溶液
1ml,analytical standard,10ug/ml in toluene
间二甲苯标准溶液
2ml,1mg/ml in Methanol,for Water Analysis
硫酸根离子(SO₄2-)标准溶液
20ml,5000μg/ml in Water (20℃)
（Al,As,Ba,Cd,Ce,Co,Cr,Cu,Li,Mn,Mo,Ni,Pb,Se,Sr,Tl,V,Zn,K）多元素混合标准溶液（混标）
50ml,
氯化钾电导率标准溶液
100ml,147.4μs/cm（25°C）
钙标准溶液
20ml,analytical standard,500mg/L in 1%HCl
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
吡氟禾草灵标准溶液
1ml,analytical standard,0.10mg/ml in methanol
1,1,1-三氯乙烷标准溶液
2ml,analytical standard,0.92mg/ml in methanol
铍标准溶液
50ml,analytical standard,1000μg/ml in 1.0 mol/L HNO3
碘酸钾标准溶液
1L,1/60mol/L(0.1N)
（Zr,Hf,W,Mo,Ta,Nb,Ti）多元素混合标准溶液
50ml,analytical standard ,100ug/ml in 1.0mol/L HF and 1.0mol/L HNO3
钠标准溶液
30ml,500mg/L in 1%HCl
邻甲酚标准溶液
1ml,2000mg/L，溶剂：二氯甲烷
钠标准溶液
80ml,1000ug/ml in 1%acetic acid
钠标准溶液
80ml,100ug/ml in 1%HCl
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