MX 水分析标准品

3-氯-4-二氯甲基-5-羟基-2(5氢)-呋喃酮(3-chloro-4-(dichloromethyl)-5-hydroxy-2[5H] -furanone，MX)，是饮用水氯化消毒副产物之一，由氯与水源水中的有机腐殖酸作用生成。人体接触MX的途径主要为通过饮食和饮水摄入以及经过皮肤吸收。MX在氯化自来水的含量仅为2～67 ng/L[1]，但是众多的体内体外实验均显示了MX的遗传毒性和致癌性，国际癌症研究署(IARC)已将MX列为人类可能致癌物。MX可致鼠伤寒沙门氏菌TA100 60％～87％的检测菌落发生GC→TA置换[2～4]；致大肠杆菌AT→CG突变[5]；致中国仓鼠卵巢细胞HPRT基因GC→TA突变、AT→TA颠换、GC碱基对缺失、大片段缺失和插入[6]。因此，MX导致的基因改变可能是其遗传毒性机制的一个重要方面。

3-氯-4-二氯甲基-5-羟基-2(5氢)-呋喃酮(3-chloro-4-(dichloromethyl)-5-hydroxy-2[5H] -furanone，MX)  
11651133          10mg       水质检测用标准品     
CAS:  77439-76-0   分子式：C5H3Cl3O3   分子量：217.43
其它名称：
3-Chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone
3-Chloro-4-dichloromethyl-5-hydroxy-2(5H)-furanone
MX (bacterial mutagen)
2(5H)-Furanone, 3-chloro-4-dichloromethyl-5-hydroxy-
Chloro(dichloromethyl)-5-hydroxy-2(5H)-furanone
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水分析标准品
A. Odor Detection Standards
水体产生嗅味的主要土霉味物质有土臭素(Geosmin)、2-甲基异茨醇(2-MIB)
  Geosmin Standard (2-10℃) 20mg
  2-Methylisoborneol Standard 20mg

Geosmin Standard Solution (1.0mg/mL in hexane) (2-10℃) 1mL
Geosmin Standard Solution (1.0mg/mL in methanol) (2-10℃) 1mL

2- Methylisoborneol Standard Solution? 1mL (1.0mg/mL in methanol) (-20℃)
Geosmin/MIB Mix Standard Solution (-20℃) 1mL
B. CSK Standards
039-10181 CSK Standard Solution Nitrate N:0.00 ug atom/L (2-10℃) 50mL
036-10191 CSK Standard Solution Nitrate N:5.0 ug atom/L (2-10℃) 50mL
039-10201 CSK Standard Solution Nitrate N:10.0 ug atom/L (2-10℃) 50mL
033-10221 CSK Standard Solution Nitrate N:20.0 ug atom/L (2-10℃) 50mL
037-10241 CSK Standard Solution Nitrate N:40.0 ug atom/L (2-10℃) 50mL
034-10131 CSK Standard Solution Nitrite N:0.00 ug atom/L (2-10℃) 50mL
038-10151 CSK Standard Solution Nitrite N:0.50 ug atom/L (2-10℃) 50mL
035-10161 CSK Standard Solution Nitrite N:1.00 ug atom/L (2-10℃) 50mL
032-10171 CSK Standard Solution Nitrite N:2.00 ug atom/L (2-10℃) 50mL
037-10001 CSK Standard Solution Phosphate P:0.00 ug atom/L (2-10℃) 50mL
034-10011 CSK Standard Solution Phosphate P:0.50 ug atom/L(2-10℃) 50mL
031-10021 CSK Standard Solution Phosphate P:1.00 ug atom/L (2-10℃) 50mL
038-10031 CSK Standard Solution Phosphate P:2.00 ug atom/L (2-10℃) 50mL
035-10041 CSK Standard Solution Phosphate P:3.00 ug atom/L (2-10℃) 50mL
034-10251 CSK Standard Solution Potassium Iodate 0.0100N (2-10℃) 300mL
032-10051 CSK Standard Solution Silicate Si:0.0 ug atom/L (2-10℃) 50mL
039-10061 CSK Standard Solution Silicate Si:5.0 ug atom/L (2-10℃) 50mL
036-10071 CSK Standard Solution Silicate Si:10.0 ug atom/L (2-10℃) 50mL
030-10091 CSK Standard Solution Silicate Si:50.0 ug atom/L (2-10℃) 50mL
033-10101 CSK Standard Solution Silicate Si:100 ug atom/L (2-10℃) 50mL
030-10111 CSK Standard Solution Silicate Si:150 ug atom/L (2-10℃) 50mL
037-10121 CSK Standard Solution Silicate Si:200 ug atom/L (2-10℃) 50mL
C. Microcystin
136-12241 Microcystin LR (-20℃) 250ug
133-12251 Microcystin RR (-20℃) 250ug
132-12841 Microcystin YR (-20℃) 250ug
300-05191 Microcystin ELISA Kit (-20℃) 250ug
133-12871 MMPB Sodium Salt (-20℃) 250ug