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	1.	Development of one-step hollow fiber supported liquid phase sampling technique for occupational workplace air analysis using high performance liquid chromatography with ultra-violet detector. [electronic resource] by Yan, Cheing-Tong Chien, Hai-Ying Producer: 20120917 In: Journal of chromatography. A vol. 1246 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Application of microwave-assisted desorption/headspace solid-phase microextraction as pretreatment step in the gas chromatographic determination of 1-naphthylamine in silica gel adsorbent. [electronic resource] by Yan, Cheing-Tong Jen, Jen-Fon Shih, Tung-Sheng Producer: 20091216 In: Talanta vol. 71 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Determination of aniline in silica gel sorbent by one-step in situ microwave-assisted desorption coupled to headspace solid-phase microextraction and GC-FID. [electronic resource] by Yan, Cheing-Tong Shih, Ton-Sheng Jen, Jen-Fon Producer: 20121002 In: Talanta vol. 64 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Novel solvent-free microwave-assisted extraction coupled with low-density solvent-based in-tube ultrasound-assisted emulsification microextraction for the fast analysis of organophosphorus pesticides in soils. [electronic resource] by Su, Yi-Song Yan, Cheing-Tong Ponnusamy, Vinoth Kumar Jen, Jen-Fon Producer: 20140206 In: Journal of separation science vol. 36 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Determination of ammonium in aqueous samples using new headspace dynamic in-syringe liquid-phase microextraction with in situ derivitazation coupled with liquid chromatography-fluorescence detection. [electronic resource] by Muniraj, Sarangapani Yan, Cheing-Tong Shih, Hou-Kung Ponnusamy, Vinoth Kumar Jen, Jen-Fon Producer: 20130418 In: Analytica chimica acta vol. 754 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Determination of pyrethroid metabolites in human urine using liquid phase microextraction coupled in-syringe derivatization followed by gas chromatography/electron capture detection. [electronic resource] by Lin, Chiu-Hwa Yan, Cheing-Tong Kumar, Ponnusamy Vinoth Li, Hong-Ping Jen, Jen-Fon Producer: 20111207 In: Analytical and bioanalytical chemistry vol. 401 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Determination of alachlor and its metabolite 2,6-diethylaniline in microbial culture medium using online microdialysis enriched-sampling coupled to high-performance liquid chromatography. [electronic resource] by Chen, Chi-Zen Yan, Cheing-Tong Kumar, Ponnusamy Vinoth Huang, Jenn-Wen Jen, Jen-Fon Producer: 20111122 In: Journal of agricultural and food chemistry vol. 59 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)