Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for determining content of calcium carbonate in reconstituted tobacco

A technology for reconstituted tobacco leaves and determination methods, which is applied to measuring devices, instruments, scientific instruments, etc., can solve the problems of analyzing the calcium carbonate content in reconstituted tobacco leaves without ion chromatography, and achieve good application prospects, good repeatability, and high sensitivity. Effect

Inactive Publication Date: 2013-01-30
HONGTA TOBACCO GRP
View PDF4 Cites 17 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is no report on the determination of calcium carbonate content in reconstituted tobacco leaves. So far, in the prior art, there is no report on the analysis of calcium carbonate content in reconstituted tobacco leaves by ion chromatography.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for determining content of calcium carbonate in reconstituted tobacco
  • Method for determining content of calcium carbonate in reconstituted tobacco
  • Method for determining content of calcium carbonate in reconstituted tobacco

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0024] 1. Sample pretreatment

[0025] Grind the reconstituted tobacco leaf sample into powder and pass through a 40-mesh sieve, accurately weigh 0.1g (accurate to 0.0001 g) of the sample, place it in a 250mL conical flask, and accurately add 100mL, 1% acetic acid aqueous solution or 100mL of deionized water, Shake at room temperature for 30 minutes (120 rpm). Filter the extract (acid solution extraction needs to be diluted 10 times) through a 0.22μm filter membrane and transfer to a 2mL sample bottle for calcium ion analysis.

[0026] 2. Chromatographic analysis conditions

[0027] Cation exchange column DIONEX Ion Pac? CS12 (4 mm i.d × 50 mm); cation protection column Ion Pac CG12 (4 mm i.d × 50 mm). The eluent was isocratic eluting with methanesulfonic acid (MSA), the eluting concentration was 20 mmol / L, and the flow rate was 1.0 mL / min. Suppressor DIONEX CSRS 300 4 mm, suppression current: 59 mA; column temperature: 30 °C; injection volume: 50 μL.

[0028] Under the ab...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for determining the content of calcium carbonate in reconstituted tobacco, which belongs to the technical field of the reconstituted tobacco. The method is characterized in that an excessive acetic acid solution is used for extracting the reconstituted tobacco, a modern analytical method is utilized to determine the content of total calcium ions in the reconstituted tobacco, then the content of free calcium ions in the reconstituted tobacco extracted by deionized water is analyzed, and the difference between the content of the total calcium ions and the content of the free calcium ions is utilized to calculate the content of the calcium carbonate in the reconstituted tobacco. The method has the characteristics of easiness and convenience in operation, high analysis speed, high sensitivity and good accuracy and stability, and is especially suitable for determining the content of the calcium carbonate in a large number of reconstituted tobacco samples.

Description

Technical field: [0001] The invention belongs to the technical field of reconstituted tobacco leaves, and in particular relates to a method for determining calcium carbonate content in reconstituted tobacco leaves. Background technique: [0002] Reconstituted Tobacco (Reconstituted Tobacco) is a regenerated product made of tobacco materials such as tobacco dust, tobacco stems, and shredded tobacco sheets as raw materials in sheet or filament form, and is used as a cigarette filler. Adding paper-making reconstituted tobacco leaves to cigarettes can not only make full use of tobacco leaf resources, reduce production costs, but also effectively reduce the amount of tar in cigarettes, which is an effective way to improve cigarette safety. The production process of reconstituted tobacco leaves by papermaking method mainly includes extraction, concentration, pulping, papermaking, coating, drying and other main processes. A certain amount of calcium carbonate is usually added in th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01N30/88G01N30/06
Inventor 汤建国伊奥尔黄燕南乔丹娜袁大林孟昭宇邹泉龚荣岗王毅牟定荣
Owner HONGTA TOBACCO GRP