The Studies On ICP Spectrum Of Tea Characteristics Of The Different Producing Areas

Tea is tea tree leaves processing is handled and become, can use boiled water directly bubble a drink, drink the habit of Chinese nation have tea. As is known to all, people will have many tea to benefit, because the tea contains a variety of mineral elements in organic ingredients element is the human body needs.This paper adopts VISTA - MPX plasma spectrum won the tea to the standard ICP spectra, ICP spectral analysis, and to get tea mainly trace elements in, then based on similology inside of the curve method and similar similarity calculation method to set up similar analysis method, and using similarity analysis to analyze the ICP spectra of standardization sample preparation, tea tea origin characteristics and got latitude and altitude of tea has close relationship.Through the experiment discovered: ICP spectrometer test condition, sample production method is different make ICP spectra characteristics of the spectral lines in frequency, shape and strength occurred drift, spectral lines distortion, etc. This paper analyzes the conditions of the spectrum of ICP different conditions, according to the influence by experiment data to determine the best sample preparation. Careful analysis of experimental data, we found that the particle size of the sample in 40 ~ 60 eyes, digestive time is 10 minutes, ICP spectral spectrum line repeatable; So I of ICP spectra measurement standardization put forward his suggestion, the spectral analysis of using ICP tea to have the certain reference value.In order to have the entire regional characteristic tea system, we have established the understanding of tea system theory, similar to the ICP spectral analysis its tea trace element carries on the comprehensive analysis, and analyzes the average deviation degree and tea tea place of origin and latitude relationship. Through the analysis, the average deviation degree get smaller, tea producing area and latitude closer; The average deviation is bigger, origin and latitude differ big. GuaPian xinyang maojian tea and luan latitude and altitude are close, so calculate their average deviation smaller. Also Taiwan and fujian is very close to the sea, latitude, Taiwan oolong and the average deviation between anxi tieguanyin is smaller. Huangshan maofeng tea and yunnan pu-erh tea is not only large difference in elevation, and there are big differences in latitude, so causing the average deviation between them.