Background. There are frequent reports of unsafe pesticide use in many parts of Africa.
Ethiopia is the second most populous nation in Africa with around 80% of the population still …

Sample preparation represents about two-thirds of the cost of analysis and often presents
logistical bottlenecks in analytical and environmental chemistry laboratories, thus reducing …

An ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC–
MS/MS) method based on selective accelerated solvent extraction and magnetic material …

Intensive pesticide use increased concern about the potential acute and chronic health
effects of pesticides in general and among applicators in particular. This study aims to …

A multiresidue method for the analysis of 86 persistent pollutants in marine sediments at
ultra-trace level has been developed and validated using pressurized liquid extraction (PLE) …

A smart sorbent consisting of benzo [k] fluoranthene-imprinted and indeno [1 2 3-cd] pyrene-
imprinted polymers mixed at 1: 1 (w/w) was successfully screened from several cavity-tuning …

Pressurised liquid extraction (PLE) is now a well established and extensively applied
extraction technique in environmental analysis for pollutants such as persistent organic …

A novel multiresidue method was developed for the simultaneous analysis of 34
organochlorines, including chlorobenzenes, chlorophenols, chlorinated hydrocarbons and …

Soil samples are complex matrixes; therefore, soil sample preparation is a critical step, and
one that is usually expensive, time-consuming, and labor intensive. The quick, easy, cheap …

Organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) were determined
in agricultural soils from the northern states of India. The average concentration of OCPs …