2025年12月15日，欧洲化学品管理局（ECHA）在12月会议上一致同意将正己烷认定为高关注度物质（SVHC）。另一种物质4,4’-[2,2,2-三氟-1-(三氟甲基)亚乙基]双酚（BPAF）及其盐类未经委员会参与即被认定为高度关注物质。ECHA ...

本研究针对东方甜瓜香气活性物质鉴定技术不足的问题，采用HS-SPME结合GC?×?GC-O-TOF-MS和GC-MS技术，结合AEDA、香气重组与缺失实验，系统分析LONG4（果香型）和ZHCG（青瓜香型）的挥发性成分差异。研究发现124种挥发性物质中32种具有香气活性，其中8种酯类物质主导 ...

The GC–MS dataset was integrated with the sensory data using a series of exploratory and predictive multivariate statistical ...

Illicitly manufactured fentanyl and amphetamine-type stimulants are major contributors to the opioid crisis in North America.

GC-MS is a technique used for analysis of volatile and semi-volatile compounds. Gas chromatography is a potent separation technique capable of separating compounds in gaseous form. GC can identify ...

This course has been approved by the Royal Society of Chemistry for purposes of Continuing Professional Development (CPD). What will you learn on this course? The 5-day Complete GC & GC-MS course is ...

Extracts from plant materials that capture the plant's flavor and scent are known as essential oils and they have many uses. Mass Spectrometry (MS) and Gas Chromatography (GC) and are excellent tools ...

This course has been approved by the Royal Society of Chemistry for purposes of Continuing Professional Development (CPD). The Complete GC & GC-MS course is built from the Practical Essentials of GC & ...

have put in place bans and/or taxes on single-use plastics, with plastic plates, cutlery and cups being the latest to face a ban in England. a widely accepted reference analytical procedure for ...

Pesticides – including insecticides, fungicides and herbicides – are strictly regulated compounds that can persist in the environment, raising safety concerns for foods, animal feed and drinking water ...