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Dual-Column GC Analysis of Organochlorine Pesticides on SLB®-5ms and SLB®-35ms
The primary column is used to determine presence of the target analytes in the sample; the secondary column of a different selectivity confirms whether a positive match.
Standards for Detection and Enumeration of Listeria monocytogenes and Listeria spp. in the food chain
ISO published revised EN ISO 11290-1 and EN ISO 11290-2 standards in 2017. In Part 1, a horizontal method for the detection of Listeria monocytogenes and Listeria spp. is specified, and in Part 2, the enumeration of these organisms in...
Revised EN ISO 21528:2017 for Detection and Enumeration of Enterobacteriaceae in the Food Chain
The International Organization for Standardization (ISO) published the revised EN ISO 21528-1 and EN ISO 21528-2 standards in 2017.
Analytical Method: Selenium in Water
Method: Photometric determination with 3,3'-Diaminobenzidine
New EN ISO 22964 for Cronobacter spp. detection in the food chain
The new EN ISO 22964:2017 standard specifies a horizontal method for the detection of Cronobacter spp. in food, animal feed and environmental samples.
Determination of Bisphenol A in Drinking Water
A comprehensive sample preparation and analytical procedure was developed by Supelco for determining BPA in drinking water.
Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17944
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination...
Determination of Triclosan in Environmental Waters
Triclosan was detected in waste water plant discharge using HPLC followed by UV and MS/MS detection.