HH-Acetalde-2 乙醛40%溶液中乙醇測定專用柱

名稱：填充柱

固定相：專用

規格：2m*3mm

粒度：60-80目

型號：HH-Acetalde-2

應用：40%乙醛溶液測定

閃點：-39℃，熔點：-123.5℃，沸點：20.8℃，密度：0.78 ， 無色液體；有刺激性氣味；；久置或遇熱聚合并發生混濁或沉淀現象；能與水、乙醇和乙醚相混溶。

1.比色法測定醛時用以制備標準溶液、還原劑、殺菌劑。制造多聚乙醛、乙酸、丁醇季戊四醇。有機合成中間體、溶劑。
2.工業上用以制造多聚乙醛、醋酸、乙酸乙酯、季戊四醇、塑料、合成橡膠、合成樹脂等。也可用于分光光度法測定醛。
3.還原劑，殺菌劑，比色法測定醛時用以制備標準溶液。工業上用以制造多聚乙醛、乙酸、合成橡膠等。
4.用于制造醋酸、醋酐和合成樹脂。

Q/(HG)SJ 151-92
項目                              分析純
                                  （AR）
含量(CH3HO)Assay,%             ≥40%    
水溶解試驗                         合格
不揮發物                           0.006
游離酸(以CH3COOH計)                0.4
甲醛(HCHO)                         合格
氯化物(Cl)Chloride,%               ≤0.001
灼燒殘渣Ignition residue,%         ≤0.0015

乙醛40%溶液中乙醇測定專用柱 測試譜圖：




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