色譜柱HH-5

５％苯基甲基聚硅氧烷毛細管柱

規格

３０ｍ×０．３２ｍｍ×０．２５μｍ

柱溫

初始５０ ℃，保持２ｍｉｎ；升溫速度６０ ℃／ｍｉｎ，升溫１１０ ℃，保持

０．５ｍｉｎ；升溫速度２０℃／ｍｉｎ，升溫２１０℃，升溫速度３０℃／ｍｉｎ，升

溫２４０℃

汽化室溫度／℃

２８０

檢測器溫度／℃

３００

柱載氣（Ｈ２）流量／（ｍＬ／ｍｉｎ）

４

氫氣流量／（ｍＬ／ｍｉｎ）

３０

空氣流量／（ｍＬ／ｍｉｎ）

３００

尾吹氣（Ｎ２）流量／（ｍＬ／ｍｉｎ）

２８

進樣量／μＬ

０．５

分流比

１００∶１

本標準規定了工業用順丁烯二酸酐的要求、試驗方法、檢驗規則以及標志、包裝、運輸和貯存。

本標準適用于以苯或正丁烷為原料經催化氧化制得的順丁烯二順酐。


工業用順丁烯二酸酐純度測定 測試譜圖：





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: