Method for measuring content of cellulose in tobacco

Method for measuring content of cellulose in tobacco

  • CN 104,237,453 A
  • Filed: 09/30/2014
  • Published: 12/24/2014
  • Est. Priority Date: 09/30/2014
  • Status: Active Application
First Claim
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1. one kind measures the method for content of cellulose in tobacco, it is characterized in that:

  • destroy cellulosic outer layer covers layer in tobacco sample with the mixed liquor of acetic acid and nitric acid, cellulose is fully come out, in a heated condition cellulose hydrolysis is become carbon dioxide and water with sulfuric acid with potassium dichromate again, excessive potassium dichromate sodium thiosulfate solution titrated, and using potassium iodide and starch solution as indicator, according to the difference of the sodium thiosulfate amount that blank and sample titration consume, calculate the amount of the potassium dichromate that sample consumes, be converted into the content of cellulose in sample again.

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