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HH-Modified polymer 甲醛、乙醛分析测定专用填充柱

  • 产品/服务:HH-Modified polymer 甲醛、乙醛分析测定专用填充柱
  • 型 号:HH-Modified polymer
  • 品 牌:浩瀚色谱
  • 单 价:面议 
  • 更新日期:2026-07-06
  • 有效期至:长期有效
  • 浏览次数:1077
产品简介

甲醛、乙醛分析测定专用填充柱,芝麻香白酒,3-甲硫基丙醇,室内空气,焦炉煤气,炼厂气,天然气,变压器油,多氯联苯,增塑剂,塑化剂,氨水,氨气,消毒剂,增塑剂,乙酸乙酯,氨水...

产品详细介绍
甲醛、乙醛分析测定专用填充柱
甲醛、乙醛分析测定专用填充柱 详细信息:

名称:填充柱
固定相:专用
规格:2m*3mm
材质:聚四氟乙烯管
型号:HH-Modified polymer

甲醛量、乙醛量的衍生化条件,甲醛、乙醛与2,4-二硝基苯肼溶液在60℃水浴中加热60 min衍生化反应, 此法操作复杂,费时费力,不环保。

浩瀚色谱(山东)应用技术开发有限公司,研发专用填充柱HH-Modified polymer直接测定甲醛,乙醛,结果甲醛、乙醛分离度为3.6,甲醛的线性范围为0.028~9.23μg.mL 1(r=0.999 4),平均回收率(n=9)为102.6%(RSD=0.9%),定量限为3.7×10 6μg、检测限为1.8×10 6μg;乙醛的线性范围为0.063~20.90μg.mL 1(r=0.999 5),平均回收率(n=9)为102.0%(RSD=1.2%),定量限为1.1×10 4μg、检测限为5.5×10 5μg。结论本法准确、灵敏,为甲醛、乙醛的安全监测提供检测依据。


甲醛、乙醛分析测定专用填充柱 测试谱图:




Packed column for analysis and determination of formaldehyde and acetaldehyde
Packed column for analysis and determination of formaldehyde and acetaldehyde Details:

Name: Packed column
Stationary phase: dedicated
Specification: 2m*3mm
Material: PTFE tube
Model: HH-Modified polymer

The derivatization conditions of the amount of formaldehyde and acetaldehyde, the derivatization reaction of formaldehyde, acetaldehyde and 2,4-dinitrophenylhydrazine solution heated in a 60℃ water bath for 60 min, this method is complicated to operate, time-consuming, laborious, and not environmentally friendly.

Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. has developed a special packed column HH-Modified polymer to directly determine formaldehyde and acetaldehyde. The result is that the resolution of formaldehyde and acetaldehyde is 3.6, and the linear range of formaldehyde is 0.028~9.23μg.mL 1(r =0.999 4), the average recovery rate (n=9) was 102.6% (RSD=0.9%), the limit of quantification was 3.7×10 6 μg, and the limit of detection was 1.8×10 6 μg; the linear range of acetaldehyde was 0.063-20.90 μg. mL 1 (r=0.999 5), the average recovery rate (n=9) was 102.0% (RSD=1.2%), the limit of quantification was 1.1×10 4 μg, and the limit of detection was 5.5×10 5 μg. Conclusion This method is accurate and sensitive, and provides a basis for the safety monitoring of formaldehyde and acetaldehyde.


Special packed column for the analysis and determination of formaldehyde and acetaldehyde Test spectrum:


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