In this study, multi-walled carbon nanotubes continuous solid-phase extraction (MWCNTs-
CSPE) combined with high-performance liquid chromatography in series with ultraviolet and …

Pyrethroid residues in the Citarum River, Indonesia, was first investigated based on their
occurrences, water assimilative capacity, and risk assessment. In this paper, first, a relatively …

While pyrethroids and other pesticide residues in cocoa beans have been reported
previously, no report on pesticide residues in cocoa powder has been documented. In this …

Abstract Recently, 9, 10-anthraquinone (AQ) contamination in Chinese Liupao tea has
attracted much attention because the tea for export must meet the EU limit (10 µg kg− 1). In …

Abstract Anthraquinone (anthracene-9, 10-dione) is a multifaceted chemical used in the
paper industry, in the production of synthetic dyes, in crop protection against birds and is …

A new strategy by coupling salting-out assisted liquid‒liquid extraction with dynamic pH
junction-sweeping-large volume sample stacking in capillary electrophoresis was proposed …

Methods available for analysis of natural and artificial anthraquinone contamination of tea
are cumbersome due to the need for expensive equipment and purification for sample …

Abstract A new A 2 B 2-type porphyrin, namely: 5, 15-bis-(3-hydroxyphenyl)-10, 20-bis (3-
methoxyphenyl)-porphyrin (trans-A 2 B 2-porphyrin), and its platinum (II) derivative (Pt-trans …

Recently, the safety of anthraquinone (AQ) in Chinese tea has received much attention. This
study determined the concentration of AQ in 1573 Chinese tea samples by gas …

The first proficiency testing of pesticides in fruits and vegetables in Indonesia is reported.
This report covers the findings of five-year proficiency testings. Every year, from 2016 to …