對食品添加劑二氧化碳中SO2 和COS微量氣體標(biāo)準(zhǔn)物質(zhì)的制備方法進行了研究,對重量配制過程中原料氣體和稀釋氣體進行了分析和定值,給出了純度分析的實驗結(jié)果和不確定度的評估結(jié)果.
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浩瀚色譜采用GC-790氣相色譜儀,火焰光度檢測器( FPD)分析SO2 和COS氣體標(biāo)準(zhǔn)物質(zhì)的實驗原理、方法和條件. 用所建立的分析方法和條件對該氣體標(biāo)準(zhǔn)物質(zhì)色譜分析方法的精密度、方法的線性度進行了考察.?
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GB 1886.228—2016?食品安全國家標(biāo)準(zhǔn) 食品添加劑?二氧化碳
浩瀚色譜依據(jù)國標(biāo)研制生產(chǎn)的脫二氧化硫管，除硫干凈，徹底，滿足國標(biāo)的要求，在制藥。藥典等行業(yè)應(yīng)用，結(jié)果滿意。
名稱：脫二氧化硫管
型號：HH-SO2
規(guī)格：60mm*3mm
*高使用溫度：100°C
編號：20240725002
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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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