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1. (WO2018103438) STANDARD SAMPLE PREPARATION AND FEEDING DEVICE FOR USE IN CALIBRATION OF TRACE-ANALYSIS INSTRUMENT

Pub. No.:    WO/2018/103438    International Application No.:    PCT/CN2017/104611
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Sat Sep 30 01:59:59 CEST 2017
IPC: G01N 30/06
G01N 30/18
Applicants: NUCTECH COMPANY LIMITED
同方威视技术股份有限公司
Inventors: ZHANG, Qingjun
张清军
LI, Yuanjing
李元景
ZHAO, Ziran
赵自然
ZHU, Weiping
朱伟平
BAI, Nan
白楠
MA, Qiufeng
马秋峰
Title: STANDARD SAMPLE PREPARATION AND FEEDING DEVICE FOR USE IN CALIBRATION OF TRACE-ANALYSIS INSTRUMENT
Abstract:
The present invention relates to a standard sample preparation and feeding device for use in calibration of a trace-analysis instrument, and more particularly, to a standard sample preparation and feeding device for use in calibration of a combined gas chromatograph (GC)-ion mobility spectrometry (IMS) instrument. By using the preparation and feeding device, no additional dedicated tool and step are required for preparation of a testing sample for use in calibration of a trace-analysis instrument, and there is no need to use an organic solvent and a dedicated sample application tool. The prevent invention can be carried and used easily and conveniently, enables a calibration substance to be stored and replaced conveniently, and is safe, reliable and eco-friendly.