Semi-quantitative detection kit for bleaching toner residue in Chinese medicinal materials or Chinese medicinal decoction pieces

Abstract

The invention provides a semi-quantitative detection kit for bleaching toner residue in Chinese medicinal materials or Chinese medicinal decoction pieces. The kit comprises a stopper-containing penicillin bottle filled with sodium hydroxide solution, a stopper-containing penicillin bottle filled with arsenic-free zinc granules, hydrochloric acid solution and lead or copper ion test paper. The mass volume percentage concentration of the sodium hydroxide solution is 0.125 percent, the volume of the sodium hydroxide solution is 10 milliliters, and the specification of the stopper-containing penicillin bottle filled with the sodium hydroxide solution is 15 milliliters. The total mass of the arsenic-free zinc granule is 0.1 to 0.3 gram, and the specification of stopper-containing penicillin bottle filled with the arsenic-free zinc granules is 10 millimeters. The lead or copper ion test paper is lead acetate test paper, copper acetate test paper or copper sulfate test paper. The kit is convenient to carry, and has the advantages of simple operation, quick detection, low cost, semi-quantitative measurement, high accuracy and the like; and the kit greatly shortens the detection time, is suitable for supervision and quick field screening of the bleaching toner residue in the Chinese medicinal materials or the Chinese medicinal decoction pieces, and is suitable for semi-quantitative analysis at the same time.

Description

technical field [0001] The invention relates to physical and chemical analysis of chemical substances, in particular to a semi-quantitative detection kit for residual bleaching and coloring agents in Chinese herbal medicines and herbal pieces. Background technique [0002] Scientific studies have shown that long-term or high-dose intake of sulfite can cause damage to the gastrointestinal tract and liver, and sulfur dioxide can damage the reproductive system of male mice. Since the 1980s, research on the safety of sulfites has attracted more and more attention from various countries. [0003] The traditional processing methods of sulfur fumigation or soaking Chinese herbal medicines will lead to a large amount of sulfur dioxide, arsenic, mercury and other toxic and harmful substances remaining in the original medicine of Chinese herbal medicines. Therefore, "The Pharmacopoeia of the People's Republic of China" (2000 Edition) stipulates that, except for yam, all other traditi...

AI Technical Summary

Problems solved by technology

Similarly, it also brings great hidden dangers to the safe use of Chinese herbal medicines and Chinese herbal medicines

At present, the legal method to detect whether there is sulfur dioxide residue in Chinese herbal medicines and herbal pieces is the distillation titration method. This method uses a glass instrument device, which is large in size, has many connecting parts, and uses nitrogen gas. The operation time is too long and must be carried out in the laboratory. and some studies try to learn from the rose paraaniline colorimetric method or ion chromatography detection of sulfur dioxide in food, but either use the toxic reagent tetrachloro amalgam and the processing conditions are relatively high, or the equipment used is expensive and has a large volume , The detection environment has high requirements and the processing conditions are strict, so it is not convenient to carry out on-site supervision and use

At present, there is no research on simple and rapid detection methods using chemical methods, especially no research on the use of filter paper as a carrier for separation, diffusion, and chemical reaction color development to simultaneously semi-quantitatively detect the residual inorganic chemical components of Chinese herbal medicines and Chinese herbal medicines. Therefore, this paper The study of the law has more practical significance for supervising on-site rapid detection, timely detaining unscrupulous merchants for illegal processing, and using bleaching and coloring agents for Chinese medicinal materials and Chinese medicinal pieces.

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