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181) The gold in blister copper sample was pretreated with nitric acid- sulphuric acid to remove copper, digested with aqua, and determined by flame atom absorbance spectrometry.

182) Objective:To determine patulin in fruit juice by high performance liquid chromatography mass spectrometry.

183) Methods The absorbance ratio of 19 roots from Amorpha fruticosa L. and 2 confusion roots were measured by UV spectrometry and used as the evidence of identification.

184) The cysteine-containing peptides from the tryptic digests of the complex protein mixtures were selected by covalent chromatography based on thiol-disulfide exchange, identified by mass spectrometry.

185) The method of determining Ni, Cu and Pbi n urine with isotope dilution mass spectrometry ( IDMS ) is described.

185) Wish you will love sentencedict.com and make progress everyday!

186) Trace cadmium in the calcium salt reagents was determined by flame atomic absorption spectrometry after separation and enrichment with sulfhydryl cotton.

187) : The copper content was determined by atomic absorption spectrophotometry ( AAS ) and inductively coupled plasma atomic emission spectrometry ( ICP ...

188) To detect mineral component in multi - elements medicinal tablet using atomic absorption spectrometry.

189) A PE - 5100 ZL Zeeman Furnace Atomic Absorption Spectrometry equipped with autosampler was used.

190) Following desalinisation the eluted peptides were further purified by reversed-phase capillary column(150 mm 75 m) and online analysed by the coupled tandem mass spectrometry.

191) The content of tetraethyl lead is determined by atomic absorption spectrometry. The accuracy and recovery rate is tested.

192) Choosing appropriate pre-digestion method to cosmetic, detecting Arsenic in poultice cosmetic and foodstuff by hydride atomic fluorescence spectrometry was applied.

193) To determine Sildenafil in the health foods applying highperformance liquid chromatography(HPLC) combined with tandem mass spectrometry and solid phase extraction technique.

194) The content of selenium in selenium - enriched malt was determined by hydride generation atomic fluorescence spectrometry ( HG - AFS ) .

195) Ion species and their energy in the cathode sheath of N 2 abnormal glow discharges with short electrode interval were determined by molecular beam mass spectrometry (MBMS).

196) A ultra performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) method was developed for determination of altrenogest and chlormadinone in swellfish, eel and roasted eel.

197) AIM To study the sodium nitrite induced DNA mutation by convolution spectrometry ( CS ) .

198) The method of determination, after L-cysteine pre-reduction, with microwave digestion-hydride generation-atomic fluorescence spectrometry was used to analyze the arsenic and stibium in dyestuffs.

199) METHODS The content of phosphate were determined by the inductively coupled plasma-atomic emission spectrometry(ICP-AES) and Spectrophotography, and the comparing their feasibility.

200) A comprehensive analytical method based on high performance liquid chromatography tandem mass spectrometry(HPLC-MS/MS) has been developed for determination of bithionol.

201) Mass spectrometry analysis, biotinidase activity determination and gene mutation analysis may be helpful in the definite diagnosis of this disorder.

202) Based on the principle of the photoelectron imaging spectrometry, the photoelectron image is investigated by using two-photon resonance and three-photo ionization.

203) A liquid chromatography-tandem mass spectrometry was used to identify two components of molecular weight 496 in Radices paeoniae rubra.

204) To establish a method using intermittent flow hydride generation atomic fluorescence spectrometry to determine arsenic and stibium synchronically in water.