996热re视频精品视频这里,国产又色又爽又高潮免费,精品自拍亚洲一区在线,久久久综合九色合综,国产精品亚洲综合一区在线观看

4L HPLC Ethanol

Category:Fine Chemicals > Reagent
Product Name:4L HPLC Ethanol
CAS No.:64-17-5
Standard:In-house Standards
Price(USD):0.00
International Approvals/Standards:ISO 9001:2015
Company:Concord Technology (Tianjin) Co.,Ltd

Basic Info
  • Grade: HPLC Grade

    Factory Location: Tianjin,China

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Sample Provided: no

    Detailed Product Description

    High purity solvent,
    Low residue Low water,
    Low UV-absorbance,
    Assuring optimum sensitivity,
    Long term stability

    HPLC grade Ethanol

    CAS.No: 64-17-5

    Molecular formula: C2H6O

    Molecular weight: 46.07

    Characters: mp:(-43±2); bp:78.5; Density(20):0.789g/cm3.

    Quality indicators: main content:≥99.9%; moisture:≤0.01%.

     Test Items

    Specification

    Testing Result

    Assay CH3CH2OH (by GC) , ω / %

    99.8min

    99.97

    Density(20℃) , ρ / (g/mL)

    0.789~0.791

    0.790

    Residue on evaporation , ω / %

    0.0005 max

    0.0001

    Water(by K-F) , ω / %

    0.1 max

    0.1

    Solubility with H2O

    Pass test

    Pass test

    Titrable Acid(H+) / (mmol/g)

    0.0004 max

    0.0001

    Titrable Base(OH-) / (mmol/g)

    0.0001 max

    Not Detected

     

     

    UV Absorbance

    (1cm cell vs. water)

    at 205 nm

    1.00 max

    0.848

    at 210 nm

    0.65 max

    0.460

    at 220 nm

    0.35 max

    0.247

    at 250 nm

    0.04 max

    0.019

    at 300 nm

    0.02max

    0.001

     

Send your message to this supplier
  • From:
  • To:
    Concord Technology (Tianjin) Co.,Ltd
  • Send a Copy to this Email
  • Message:
    Upload Images / Files
    -?Supports?jpg,?jpeg,?png,
    ?gif,?pdf,?doc,?docx,
    ?xls,?xlsx,?txt,?rar?and?zip
    -?Max?upload?3?files;
    ?Max??total?size:?3MB
    (0/3)

    Enter between 20 to 4,000 characters.This is not what you are looking for ? Post a Sourcing Request Now

  • Verification:
PharmaSources Customer Service