HH-5毛细管柱 工业用顺丁烯二酸酐纯度测定

色谱柱HH-5

５％苯基甲基聚硅氧烷毛细管柱

规格

３０ｍ×０．３２ｍｍ×０．２５μｍ

柱温

初始５０ ℃，保持２ｍｉｎ；升温速度６０ ℃／ｍｉｎ，升温１１０ ℃，保持

０．５ｍｉｎ；升温速度２０℃／ｍｉｎ，升温２１０℃，升温速度３０℃／ｍｉｎ，升

温２４０℃

汽化室温度／℃

２８０

检测器温度／℃

３００

柱载气（Ｈ２）流量／（ｍＬ／ｍｉｎ）

４

氢气流量／（ｍＬ／ｍｉｎ）

３０

空气流量／（ｍＬ／ｍｉｎ）

３００

尾吹气（Ｎ２）流量／（ｍＬ／ｍｉｎ）

２８

进样量／μＬ

０．５

分流比

１００∶１

本标准规定了工业用顺丁烯二酸酐的要求、试验方法、检验规则以及标志、包装、运输和贮存。

本标准适用于以苯或正丁烷为原料经催化氧化制得的顺丁烯二顺酐。


工业用顺丁烯二酸酐纯度测定 测试谱图：





Purity determination of maleic anhydride for industrial use
Determination of purity of maleic anhydride for industrial use Details:

Column HH-5
5% phenyl-methyl polysiloxane capillary column
specification
30m×0.32mm×0.25μm
Column temperature
Initially 50 ℃, keep 2min; heating rate 60 ℃/min, heating up to 110 ℃, keep
0.5min; heating rate 20℃/min, heating up to 210℃, heating speed 30℃/min, liter
Temperature to 240℃
Vaporization chamber temperature/℃
280
Detector temperature/℃
300
Column carrier gas (H2) flow rate/(mL/min)
4
Hydrogen flow rate/(mL/min)
30
Air flow/(mL/min)
300
Makeup gas (N2) flow rate/(mL/min)
28
Injection volume/μL
0.5
Split ratio
100:1


GB/T 3676-2020 Maleic anhydride for industrial use
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of maleic anhydride for industrial use.
This standard applies to maleic anhydride prepared by catalytic oxidation using benzene or n-butane as raw materials.


Determination of purity of maleic anhydride for industrial use Test spectrum: