GB/T 5009.34-2003 Translated English of Chinese Standard. (GBT 5009.34-2003, GB/T5009.34-2003, GBT5009.34-2003): Determination of sulphite in foods [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2 Ogo 2014 - 12 halaman This standard specifies the determination method of sulfite in foods. This standard is applicable to the determination of sulfur dioxide residue content in foods. The detection concentration in this standard is 1 mg/kg. |
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100mL volumetric flask 20mL mercuric sodium 2min ADD 20mL mercuric ADD mercuric sodium ADD small amount amount of water Antiepidemic Station buchner funnel condensing tube content of sulfur Control and Inspection determination of sulphite diethyl ether dilute to 100mL dioxide standard solution DISSOLVE and DILUTE distillation round bottom Food Safety Control funnel to filter GB/T glacial acetic acid gram g hydrochloric acid hydrogen sulfite-mercuric sodium hyposulfite standard solution Institute of Food iodine flask iodine solution iodine standard solution iodine standard titration last ADD water lead acetate solution mass of sulfur mercuric sodium tetrachloride milliliter mL mol/L PLACE Potassium ferrocyanide reagent blank round bottom flask Sanitation and Antiepidemic SHAKE Sodium hydroxide sodium hyposulfite standard sodium tetrachloride absorption solid sample solution 20g/L solution c(1/2I spare standard titration solution Starch indicating liquid sulfite sulfur dioxide standard Sulfuric acid sulphite in foods tetrachloride absorption liquid unit is gram unit is milliliter water to dilute zinc acetate