女高中生边自慰边呻吟,美女被扒开腿用震蛋器折磨,小12萝8禁用铅笔自慰喷水

<object id="jbzvi"><sup id="jbzvi"><mark id="jbzvi"></mark></sup></object>
<tr id="jbzvi"></tr>
  • <big id="jbzvi"><nobr id="jbzvi"></nobr></big>
    <th id="jbzvi"></th>
    <code id="jbzvi"><em id="jbzvi"></em></code>

  • <strike id="jbzvi"></strike>
    <object id="jbzvi"></object>

    Welcome to JiangXi Jiexin technology Co.,Ltd. Website!
    Service Tel:+86-795-4602088
    Tel: +86-795-4602088
    Fax: +86-795-4602099
    Add: No.169, Xingye Road, Fengxin County Industrial Park, Yichun City, Jiangxi Province
    Product
    Home > Product
    N-503 Extraction Agent

     

    Product Name:N-503

    Chemical Name:N,N1-=(1-甲基庚基)乙酰胺 N,N1-=(1-Methyl Heptyl) Acetamide

    Structural Formula:

    Molecular Weight:233.5

    Appearance: yellow or yellowish-brown transparent oily liquid.

    Solubility Property: Soluble in Benzene、Xylene、Ether、Trichloromethane、Kerosene、Diesel and other organic solvents.

    Solubility in Water:(25℃)0.01g/L
    Specific Weight and Refractive Index: 0.8564     1.4550~1.4580

    Boiling Range:155±5℃(133.2Pa)

    PH value:Near Neutral.5.4~7.4

    Stability:Strong acid, strong base, light resistance and temperature resistance. The extraction performance of N-503 was not significantly changed after the repeated action of hot and strong acid and alkali.

    Contact:Mr Li +86-13917738666 13907055968 E-mail:rareearth@vip.sina.com sales@jiexintech.cn
    Copyright(C)2018,?JiangXi Jiexin technology Co.,Ltd.?All Rights Reserved.Supported by?ChemNet?ChinaChemNet?Toocle E-mail Website
    女高中生边自慰边呻吟,美女被扒开腿用震蛋器折磨,小12萝8禁用铅笔自慰喷水