Chlorpyrifos is a pesticide that is metabolically activated to chlorpyrifos oxon (acetylcholinesterase inhibitor) primarily by the cytochrome P450 2B (CYP2B) enzyme subfamily in the liver and brain. We have previously shown that intracerebroventricular pretreatment with a CYP2B inhibitor, C8-Xanthate, can block chlorpyrifos toxicity. Here, we assessed whether delayed introduction of C8-Xanthate...

The effect of pH and electrochemical potential on copper uptake, xanthate adsorption and the hydrophobicity of sphalerite were studied from flotation practice point of view using electrochemical and micro-flotation techniques. Voltammetric studies conducted using the combination of carbon matrix composite (CMC) electrode and surface conduction (SC) electrode show that the kinetics of activation...

An atomic force microscope (AFM) has been used to conduct force measurements to better understand the role of hydrophobic forces in flotation. The force measurements were conducted between a flat mineral substrate and a hydrophobic glass sphere in aqueous solutions. It is assumed that the hydrophobic glass sphere may simulate the behavior of air bubbles during flotation. The results may provide...

The title compound, C(4)H(6)O(3)S(2), features a characteristic xanthate group; the C=S double bond is shorter than the C-S single bond, and the methyl group is coplanar with the xanthate group. In the crystal pairs of mol-ecules form dimers through inter-molecular O-H⋯O hydrogen bonding.

     In this study an easy, green, efficient and simple approach is reported for the synthesis of some benzothiazole-, benzimidazole- and benzoxazole-2-thiolderivatives. The proposed approach employs the reaction of corresponding aromatic amine with potassium isopropyl xanthate (Z11) in the presence of copper sulfate (CuSO4) as a catalyst under conventional heating and ultrasonic irr...

Xanthates are commonly used collectors in flotation processes but highly toxic to the aquatic environment. However, there few methods for reliable determination of low xanthate concentrations water samples. In this work, a sensitive, selective, and fast method is presented potassium ethyl (KEX). KEX was determined by high-performance liquid chromatography–inductively coupled plasma–mass spectro...