亚洲无码黄频在线观看|亚洲男人在线观看无码|韩国精品人妻受不了无码|伊人久久大香线蕉综合AV|超碰97人人做人人爱网站|欧美日韩一区视频在线播放|色屁屁一区二区三区视频国产|久久精品人人做人人爽电影蜜月

      <rt id="d1qkw"><form id="d1qkw"></form></rt>
      <style id="d1qkw"></style><style id="d1qkw"></style>
      1. <style id="d1qkw"></style>
        <form id="d1qkw"></form>

            
            
            
            
            Welcome to visit Jiangxi Dongyan Pharmaceutical Co., Ltd. Official website!

            Collection

            Contact Us

            Home

            中文版

            English

            Product Area
            News
            Contact Us

            Add: Fine Chemical Industry Zone, Industrial Park, Qianshan County, Shangrao City, Jiangxi, China
            Contact Person:
            Wu Jun: +86-13576481888;
            Peng Jidong: +86-13576309314 (Anhydrous hydrofluoric acid);
            Chen Xiao: +86-13325996862 (Ammonium bifluoride, Ammonium fluoride);
            Jin Yucheng: +86-13879335766 (Ammonium bifluoride, Ammonium fluoride);
            Wang Yaoting +86-13657031116 (International trade)
            Fax: +86-793-5436178
            P.C.: 334500
            E-mail: sales@dypharm.com
            URL: http://www.stuartmarkus.com

            Detail

            Reagent grade hydrofluoric acid

             

             

            Detail

             

             

            Reagent grade hydrofluoric acid
            Molecular formula: HF
            Molecular weight: 20.01
            Properties:

            Aqueous solution of hydrogen fluoride. It is colorless free running liquid and it is strongly corrosive in the air. It is corrosive to glass, thus should be kept in lead, wax or plastic containers.

            Uses: In etching glass and pickling metal.

            Standard: Industrial grade adopts GB7744-87 technical standard

            Name \ Index F40 F55 F60
            Hydrogen fluoride %≥ 40 55 60
            Fluosilicic acid %≤ 0.2 0.4 0.5
            Non-volatile acid %≤ 0.05 0.08 0.1
            Reagent grade implements GB620-77 technical standard
            Name \ Index Analytically pure Chemical pure
            Ignition residue (%) 0.005 0.01
            Chlorine (%) 0.002 0.005
            Sulfate 0.002 0.005
            Sulfite (%) 0.002 0.002
            Phosphate (%) 0.0002 0.0005
            Fluosilicate 0.04 0.06
            Iron (%) 0.0001 0.0005
            Heavy metal (%) 0.0005 0.001
            Content (%) 40 40
            Packing: 25kg plastic drum.
            【Last】      【Next】      【Return】

            Order

            Respected customers:
            Thank you for browsing our website, please fill in following information, (* is required), and it will be sent via E-mail, we will contact you, thank you!

            Your name: *
            Company name: *
            Address:
            Post code:
            Country:
            Tel: *
            Fax:
            E-mail: *
            Website:
            Details: *
            Verification code:
               

            May be of interest to the product

            Information

            Consulting


            0793-5436175
            呈贡县| 永和县| 天等县| 通州市| 牡丹江市| 拉孜县| 班玛县| 庆城县| 开平市| 舟山市| 夹江县| 江津市| 赤水市| 富阳市| 日土县| 顺义区| 河间市| 岢岚县| 莲花县| 苏尼特左旗| 甘泉县| 宜春市| 公主岭市| 福海县| 喀什市| 石城县| 长武县| 登封市| 凤庆县| 景洪市| 阿巴嘎旗| 新平| 乌恰县| 博野县| 武川县| 南皮县| 五原县| 沛县| 永定县| 鱼台县| 临沂市|