成人视频在线观看香蕉|日韩黑人无码伊人国内自拍|亚洲色情AV导航|一道本成人无码免费小影片|91刺激五月色婷婷乱伦|97蜜臀国产在线观看|91先生网站黄色|中文字幕66页|亚洲无码砖区欧美婷婷综合|手机人成日韩国产性爱小视频

很抱歉,您尚未登錄!
VIP會(huì)員登陸后可以查閱當(dāng)前板塊內(nèi)容,請(qǐng)登陸后查看!
請(qǐng)點(diǎn)擊登錄

  • TOP
    • 手機(jī)版
    0
    我的消息
    個(gè)人中心
    數(shù)據(jù)中心
    全部提示消息

    • Tianjin Elong Co., Ltd. 關(guān)注
      • N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
      Room 6-1107, Post Apartment, Nanma Road, Nankai Dist., Tianjin, China (Mainland)
      查看在易之家共有 1 位雇員

    供應(yīng)
    Tetrasodium etidronate
    關(guān)注
    • CAS No.：
      3794-83-0
    • Other Names：
      (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
    • MF：
      C2H8Na4O7P2
    • EINECS No.：
      223-267-7
    • Place of Origin：
      Xinjiang, China (Mainland)
    • Type：
      Synthetic Fibers, Synthetic Resin and Plastics, Synthetic Rubbers
    • Brand Name：
      TJEL
    • Model Number：
      TJEL 2
    • Purity：
      high purity
    • apperance：
      Colorless to yellowish transparent liquid
    • 供應(yīng)能力： 2000 Metric Ton/Metric Tons per Month
    • 港口： main port of China
    • -/Ton（最小訂單 1Ton）
    ZHANGJILONG
    General manager
    在線聊天
    Tianjin Elong Co., Ltd.
    中國(guó)天津
    貿(mào)易公司
    11-50職員
    出口模式:Have Own Export License
    出口認(rèn)證:
    主營(yíng)產(chǎn)品:N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
    • 產(chǎn)品描述
    • 產(chǎn)品評(píng)價(jià)
      詳細(xì)信息
    • CAS No.：
      3794-83-0
    • Other Names：
      (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
    • MF：
      C2H8Na4O7P2
    • EINECS No.：
      223-267-7
    • Place of Origin：
      Xinjiang, China (Mainland)
    • Type：
      Synthetic Fibers, Synthetic Resin and Plastics, Synthetic Rubbers
    • Brand Name：
      TJEL
    • Model Number：
      TJEL 2
    • Purity：
      high purity
    • apperance：
      Colorless to yellowish transparent liquid

    Specifications

    Tetrasodium etidronate
    CAS : 3794-83-0
    Appearance:Colorless to yellowish transparent liquid

    Tetra sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP?Na4)

    Synonyms: Tetrasodium etidronate

    CAS No.? 29329-71-3 (x-Na), 3794-83-0 (4-Na)

    Molecular Formula:?C2H4O7P2Na4???????????????????? Molecular weight: 294

    Structural Formula:

    Properties:

    HEDP?Na4 is the sodium salt of HEDP, HEDP?Na4 is an good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.

    The solid HEDP?Na4 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts. It is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250°C.

    ?HEDP?Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP?Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP?Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP?Na4 is used as chelating agent.?

    Specification:

    itemsindex
    AppearanceWhite powderColorless to yellowish transparent liquid
    Active content (HEDP)%56.0 min20.3-21.7
    Active content (HEDP?Na4)%79.9 min29.0-31.0
    Total phosphoric acid (as PO43-) %52.0 min18.4-20.4
    Fe,mg/L35.0 max20.0 max
    Moisture,%15 max--
    Density (20°C)g/cm3--1.26-1.36
    PH11.0-12.0 (1% water solution)10.0-12.0 (as it)
    Phosphorous Acid %?1.0 max
    Colour APHA?50.0 max

    Package and Storage:

    Liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

    Solid: 25kg/bag,customers’ requirement. Storage for ten months in shady room and dry place.

    Safety Protection:

    Weak acidity, Avoid contact with eye and skin, once contacted, flush with water.

    最近訪客
    • 我要詢盤
    • 我要評(píng)價(jià)
    ZHANGJILONG
    收件人:
    發(fā)送至:
    ZHANGJILONG
    信息內(nèi)容:
    發(fā)送站內(nèi)信成功后,請(qǐng)仔細(xì)留意您的站內(nèi)信消息!
    發(fā)送
    猜您喜歡
      1. hot sale high quality polymer
      2. US $900-1500
      1. hot sale high quality Polyvinyl alcohol additive
      2. US $900-1200
      1. hot sale high quality hot melt adhesive
      2. US $2-10
      1. Chemical use Polyacrylonitrile PAN powder
      2. US $6.9-19.99
      1. Polyacrylonitrile PAN powder for chemical experiment
      2. US $6.9-19.99
      1. Polyacrylonitrile PAN powder with high quality
      2. US $6.99-19.99