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Courtesy of Curtis & Tompkins Laboratories
Select Ion Monitoring mode (GC/MS-SIM) is a technique used to perform low level GC/MS measurements of organic compounds. GC/MS-SIM can reduce reporting limits 10-100 fold and can minimize the effects of matrix interferences.
This volume of News on Water highlights: New ISO Standard 17943for Determination of VOCs in Water by HS-SPME and GC-MS Extraction of Organic Compounds from Water, Using ENVITM-18 DSK Solid Phase Extraction Disks Watercol columns Certified Reference Materials ready-to-use for water and waste water analysis Detect low concentrations of impurities in water The Standard Test Method for Microbial Contamination
Application NoteTextilesAbstractPyrolysis reveals components and differences between different leather and faux leather products.IntroductionPyrolysis-GC/MS allows for the analysis of organic materials which are too large to be compatible with GC alone. Material is heated in a controlled way, facilitating breakdown into volatile compounds which can be studied by GC/MS. Results are polymer specific, making pyrolysis the perfect way to analyze all types of polymers, including natural and synthetic textiles, such as...
Odorous volatile organic compounds (VOCs) were analysed via a thermal desorption gas chromatograph coupled with a mass spectrometer and olfactory detection port (TD-GC-MS/ODP) to characterize odour emissions from a wastewater treatment plant (WWTP). Three trained ODP assessors, screened according to the European dynamic olfactometry standard (EN: 13725), were used for the olfactory analysis. Their sensitivity to n-butanol varied within the acceptable limits. VOC samples from the WWTP were collected onto Tenax TA...
With the improvement of people's consciousness about health, more attention has been paid to the biosafety of effluent reaching conventional discharge standard. In this contribution, removal efficiency of chemical oxygen demand (COD), acute toxicity, genotoxicity and estrogenicity in landfill leachate membrane concentrates (MCs) among UV-Fenton, Fenton and activated carbon adsorption process were compared. Daphnia magna acute toxicity assay, comet assay, cytokinesis-block micronucleus and E-screen assay were...
A method for analysis of 258 pesticides has beendeveloped on Scion TQ triple quadrupole massspectrometer. The method setup is streamlined with thenew software approach of Compound Based Scanning(CBS). The matrix-matched calibration results havedemonstrated good sensitivity, linearity and precision ofScion TQ. This application note describes a GC-MS/MS method fordetection of 258 pesticides in a vegetable matrix afterextraction using the QuEChERS (Quick Easy Cheap Effective Rugged and Safe) method. The ease of...
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