对食品添加剂二氧化碳中SO2 和COS微量气体标准物质的制备方法进行了研究,对重量配制过程中原料气体和稀释气体进行了分析和定值,给出了纯度分析的实验结果和不确定度的评估结果.
浩瀚色谱采用GC-790气相色谱仪,火焰光度检测器( FPD)分析SO2 和COS气体标准物质的实验原理、方法和条件. 用所建立的分析方法和条件对该气体标准物质色谱分析方法的精密度、方法的线性度进行了考察.
GB 1886.228—2016 食品安全国家标准 食品添加剂 二氧化碳
浩瀚色谱依据国标研制生产的脱二氧化硫管，除硫干净，彻底，满足国标的要求，在制药。药典等行业应用，结果满意。
名称：脱二氧化硫管
型号：HH-SO2
规格：60mm*3mm
*高使用温度：100°C
编号：20240725002
The preparation method of trace gas standard substances for SO2 and COS in food additive carbon dioxide was studied. The raw material gas and dilution gas in the weight preparation process were analyzed and calibrated, and the experimental results of purity analysis and uncertainty evaluation were given
The experimental principle, method, and conditions for analyzing SO2 and COS gas standard substances using GC-790 gas chromatograph and flame photometric detector (FPD) in Haohan chromatography The precision and linearity of the gas standard substance chromatographic analysis method were investigated using the established analysis method and conditions
GB 1886.228-2016 National Food Safety Standard - Food Additives - Carbon Dioxide
The sulfur removal tubes developed and produced by Haohan Chromatography according to national standards are clean and thorough, meeting the requirements of national standards and used in pharmaceuticals. The application in pharmacopoeia and other industries has yielded satisfactory results.
Name: Sulfur Dioxide Removal Pipe
Model: HH-SO2
Specification: 60mm * 3mm
*High operating temperature: 100 ° C
Number: 20240725002
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