spectrometry

In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.

A high performance liquid chromatography-electrospray ionization mass spectrometry(LC-ESI/MS) was developed to screen and determine trenbolone,tetrahydrogestrinone and gestrinone in human urine.

This article discussed the determination of Stibium in Zinc alloy by atomic absorption spectrometry,and the interference of media、acidity and macroelement were also discussed.

Apparent resistivity,induced polarization,high-precision magnetometry and γ-energy spectrometry are all effective geophysical methods for gold exploration in the Xiaoshiren gold deposit.

Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.

Methods for determination oil volume on tin plate surface were reviewed,which include gravimetry, hydrophil balance method, molecular spectrometry and ellipsometry etc.

Abstract Secondary ion mass spectrometry(SIMS) is more sensitive than other surface microregion analysis instrumentals.

Volatile flavor compounds in Trionyx sinesis meat and calipash were analyzed by headspace solid phase microextraction(HS-SPME) combined with gas chromatography-mass spectrometry(GC-MS).

Direct determine sparklet Be、Ni、Ba in water through furnace atomic absorption spectrometry using pyrocoated graphite tube added with Mg (NO_3)_2 as matrix modifier.

Nicotinamide as the major metabolite of nikethamide in urine is identified by gas chromatography/Mass Spectrometry (GC/MS). This method is simple and few biological specimen are needed.

Abstract: A method for the simultaneous determination of prilocaine and lidocaine in vitro percutaneous absorption liquid using gas chromatography-mass spectrometry （GC-MS） has been developed.

Using analytical method of pyrolysis gas chromatography/mass spectrometry, the temperature effect on pyrolyzate was studied, and the pyrolysis rule of tetrabasic copolymer was discussed.

The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).

A gas chromatography-mass spectrometry (GC/MS) analytical method for three anorectics drugs, fenfluramine, diethylpropion and mazindol, illegally adulterated in slimming foods has been developed.

The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.

The content of As and Sb in paints are analyzed by hydride generat io n atomic fluorescence spectrometry (HG-AFS) and L-cysteine prereduction proces s.

Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.