Preparation method and application of a solid-phase microextraction probe for volatile components in cigarette glue

Abstract

The invention provides a preparation method and application of a solid-phase micro-extraction probe for volatile components in cigarette glue, and relates to the technical field of solid-phase extraction. A method for preparing a solid-phase microextraction probe of volatile components in cigarette glue, comprising the following steps: (1) heating quartz fibers in strong acid for 0.5-1h, rinsing the quartz fibers and soaking them in a strong alkali solution for 0.5 -1h, then soak in dilute hydrochloric acid; (2) Put quartz fiber and melamine into the crucible, then put the crucible into the furnace, heat up to 550-600°C, and get C 3 N 4 Coated quartz fiber; (3) C with a solid binder 3 N 4 The coated quartz fiber was bonded to the stainless steel wire at the end of the handle, and then aged at 230°C for 30-35 min to obtain a solid-phase microextraction probe. The beneficial effect is that carbon nitride is used as the extraction fiber coating to improve the extraction selectivity and extraction efficiency of the tobacco water-based adhesive, and can simultaneously detect multiple volatile components in the tobacco water-based adhesive, and the detection of harmful substance content is more accurate.

Description

technical field [0001] The invention relates to the technical field of solid-phase extraction, in particular to a preparation method and application of a solid-phase micro-extraction probe for volatile components in tobacco gum. Background technique [0002] Smoking glue is an important auxiliary material for smoking, and its safety has attracted people's attention. At present, there are various types of cigarette adhesives on the market, with various functions, and different types of cigarette adhesives have different adhesive components. These cigarette glues play an important role in the production of cigarettes, such as: for the bonding of cigarette paper, filter cigarette holders, cigarette wrapping paper, etc., such as mouthpiece glue, which is a polymer formed by the polymerization of vinyl acetate For vinyl acetate emulsion type adhesives, during the process of adhesive synthesis, vinyl acetate monomers, catalysts, additives and various solvents used may all remain ...

AI Technical Summary

Problems solved by technology

Based on the fact that there are many types of volatile compounds in the tobacco water-based adhesive, and the boiling point difference between the compounds is large, the chromatographic separation of various compounds can be carried out well through the temperature program of gas chromatography; in addition, GC-MS has a relatively complete database , the unknown volatile components in the cigarette glue can be quickly characterized by searching the database; however, due to the high viscosity of the adhesive itself, and the relatively low content of some volatile components in the cigarette glue, the The pretreatment process of the target components in the reagent is usually complicated

For example, some highly toxic organic solvents need to be used in the liquid-liquid extraction process, and the extraction solvents used for different types of compounds are different or the target components need to be derivatized. The operation is complicated, time-consuming, and harmful to the environment. , and the inability to simultaneously extract various components in the tobacco water-based adhesive is the biggest obstacle

Images