YC/T 159-2019 Translated English of Chinese Standard. (YCT 159-2019, YC/T159-2019, YCT159-2019): Tobacco and tobacco products - Determination of water soluble sugars - Continuous flow methodhttps://www.chinesestandard.net, 20 juin 2020 - 13 pages This Standard specifies the method to determine water-soluble sugar (including water-soluble total sugar and water-soluble reducing sugar) in tobacco and tobacco products. This Standard is applicable to the determination of water-soluble sugar in tobacco and tobacco products. The detection limit of this method is 0.0063%. quantitation limit is 0.0210%. |
Table des matières
| 3 | |
Scope | 5 |
Instruments and materials | 7 |
Result calculation and expression | 8 |
Precision and recovery rate | 9 |
9Test report | 10 |
Expressions et termes fréquents
0.008mol/L calcium chloride 0.5mol/L hydrochloric acid 1.0mol/L hydrochloric acid 500mL of water acetic acid solution acid hydrazide solution acid mass fraction acid solution 4.4 analysis of water-soluble beaker Brij35 solution 4.1 chart of continuous China Tobacco Industry cigarette Water-soluble total citric acid continuous flow analysis Continuous flow method Determination of water dilute to 1L dissolve Edition extract Flow chart fraction is 37 fume hood fuming hydrochloric acid GB/T Heat-dissipation device Henan hydrochloric acid mass hydrochloric acid solution Inspection Station milliliter p-hydroxybenzoic acid hydrazide parallel determination results Peng pipe is activated qualitative filter paper rapid qualitative filter recovery rate red/red 1 pipe slowly add sodium hydroxide solution standard stock solution standard working solution sugar Water-soluble reducing Supervision and Inspection Tobacco and tobacco tobacco products Tobacco Quality Supervision total sugar Water-soluble turns 20 turns turns Black/black 0.32mL/min Wang water to dilute Water-soluble reducing sugar Water-soluble total sugar Water-solublereducingsugar Water-soluble total YC/T