HH-Acetalde-2 乙醛40%溶液中乙醇测定专用柱

名称：填充柱

固定相：专用

规格：2m*3mm

粒度：60-80目

型号：HH-Acetalde-2

应用：40%乙醛溶液测定

闪点：-39℃，熔点：-123.5℃，沸点：20.8℃，密度：0.78 ， 无色液体；有刺激性气味；；久置或遇热聚合并发生混浊或沉淀现象；能与水、乙醇和乙醚相混溶。

1.比色法测定醛时用以制备标准溶液、还原剂、杀菌剂。制造多聚乙醛、乙酸、丁醇季戊四醇。有机合成中间体、溶剂。
2.工业上用以制造多聚乙醛、醋酸、乙酸乙酯、季戊四醇、塑料、合成橡胶、合成树脂等。也可用于分光光度法测定醛。
3.还原剂，杀菌剂，比色法测定醛时用以制备标准溶液。工业上用以制造多聚乙醛、乙酸、合成橡胶等。
4.用于制造醋酸、醋酐和合成树脂。

Q/(HG)SJ 151-92
项目                              分析纯
                                  （AR）
含量(CH3HO)Assay,%             ≥40%    
水溶解试验                         合格
不挥发物                           0.006
游离酸(以CH3COOH计)                0.4
甲醛(HCHO)                         合格
氯化物(Cl)Chloride,%               ≤0.001
灼烧残渣Ignition residue,%         ≤0.0015

乙醛40%溶液中乙醇测定专用柱 测试谱图：




Special column for determination of ethanol in acetaldehyde 40% solution
Special column for determination of ethanol in acetaldehyde 40% solution Details:

Name: packed column

Stationary phase: dedicated

Specification: 2m * 3mm

Granularity: 60-80 mesh

Model: HH-Acetalde-2

Application: Determination of 40% acetaldehyde solution

[Physical data of acetaldehyde 40% solution]


Flash point: -39 ° C, melting point: -123.5 ° C, boiling point: 20.8 ° C, density: 0.78, colorless liquid; irritating odor; polymerized and turbidity or precipitation after prolonged or heat exposure; can interact with water and ethanol Miscible with ether.


[Main application of acetaldehyde 40% solution]
1. Colorimetric method is used to prepare standard solutions, reducing agents and bactericides when measuring aldehydes. Manufacture of polyacetaldehyde, acetic acid and butanol pentaerythritol. Organic synthesis intermediates and solvents.
2. Industrially used to make polyacetaldehyde, acetic acid, ethyl acetate, pentaerythritol, plastics, synthetic rubber, synthetic resin, etc. Can also be used for spectrophotometric determination of aldehydes.
3. Reducing agent, bactericide and colorimetric method are used to prepare standard solution when measuring aldehyde. It is used industrially to make polyacetaldehyde, acetic acid, synthetic rubber, etc.
4. Used in the manufacture of acetic acid, acetic anhydride and synthetic resins.


Q / (HG) SJ 151-92
Item Analysis Pure
(AR)
Content (CH3HO) Assay,% ≥40%
Water solubility test
Non-volatile matter 0.006
Free acid (as CH3COOH) 0.4
Formaldehyde (HCHO) qualified
Chloride (Cl),% ≤0.001
Ignition residue,% ≤0.0015

Tengzhou Haohan Chromatographic Instrument Technology Service Co., Ltd. keeps pace with the times and develops gas chromatography to determine industrial acetaldehyde aqueous solution. This method is accurate and fast, and the relative standard deviation is less than 0.1%, which is suitable for constant analysis in factories.



Special column for determination of ethanol in acetaldehyde 40% solution