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7%癸二酸-GDX-103安捷倫島津賽默飛玻璃柱測乙酸中甲酸
發(fā)布時間：2025-9-17 11:19:38
產(chǎn)品簡介：
名稱：不銹鋼填充柱
固定液：癸二酸
擔體：GDX-103
固定液：擔體=7:100
材質(zhì)：不銹鋼/玻璃
規(guī)格：2m*1/8
應用：Shimadzu島津GC14C，GC=2010,2014,2030
應用：GB_T 1628.5-2000 工業(yè)冰乙酸中甲酸含量的測定氣相色譜法
GB /T1628-2008工業(yè)用冰乙酸
GB∕T 1628-2020 工業(yè)用冰乙酸

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Formic acid (HCOOH) and acetic acid (CH3 COOH) are both strong polar short chain carboxylic acids.
On this polar column, their peak order is usually: formic acid peaks first, followed by acetic acid. Because the boiling point of acetic acid (118 ° C) is higher than formic acid (100.8 ° C), and the carbon chain is longer, the interaction with the stationary phase is stronger.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. proposed a gas chromatography analysis method for determining the formic acid content in industrial glacial acetic acid Using sebacic acid/GDX103 as the stationary phase, a thermal conductivity detector was employed, and ethyl acetate was used as the internal standard for quantification. The results obtained by the internal standard method were very close to those obtained by chemical analysis, with a small detection amount of up to 0.13 μ g, demonstrating satisfactory accuracy and precision.
Name: Stainless Steel Filled Column
Fixed liquid: sebacic acid
Carrier: GDX-103
Fixed liquid: carrier=7:100
Material: Stainless Steel/Glass
Specification: 2m * 1/8
Application: Shimadzu Shimadzu GC14C, GC=2010, 2014, 2030
Application: GB_T 1628.5-2000 Determination of formic acid content in industrial acetic acid Gas chromatography method
GB/T1628-2008 Industrial Glacial Acetic Acid
GB/T 1628-2020 Industrial Glacial Acetic Acid
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Suitable for:
Agilent 490 online/portable, 48905890689088608890
Shimadzu GC-14C, GC-2010, GC-2014, GC-2030
Thermo Fisher Scientific 1310130016101600
Varian 3800 Series
Brooke PE580590680690

5A分子篩填充柱

甲酸（HCOOH）和乙酸（CH?COOH）都是強極性的短鏈羧酸。

在這根極性柱上，它們的出峰順序通常是：甲酸先出峰，乙酸后出峰。因為乙酸的沸點（118°C）高于甲酸（100.8°C），且碳鏈更長，與固定相的相互作用更強。

浩瀚色譜(山東)應用技術開發(fā)有限公司，提出了測定工業(yè)冰乙酸中甲酸含量的氣相色譜分析方法.以癸二酸/GDX103為固定相,采用熱導檢測器,用乙酸乙酯作內(nèi)標物的內(nèi)標法定量,所測結(jié)果與化學分析法結(jié)果十分接近,*小檢出量可達0.13μg,具有較滿意的準確度和精密度。

名稱：不銹鋼填充柱
固定液：癸二酸
擔體：GDX-103
固定液：擔體=7:100
材質(zhì)：不銹鋼/玻璃
規(guī)格：2m*1/8
應用：Shimadzu島津GC14C，GC=2010,2014,2030
應用：GB_T 1628.5-2000 工業(yè)冰乙酸中甲酸含量的測定氣相色譜法