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Article
Low-Temperature Cleanup Followed by Dispersive Solid-Phase Extraction for Determination of Nine Polar Plant Growth Regulators in Herbal Matrices Using Liquid Chromatography–Tandem Mass Spectrometry
Polar plant growth regulators, used alone or doped in fertilizers, are most effective and widely utilized plant growth regulators (PGRs) in agriculture, which play important roles in mediating the yield and qu...
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Article
A Method to Assess Glyphosate, Aminomethylphosphonic Acid and Glufosinate in Chinese Herb Samples Using a Derivatization Method and LC–MS/MS
An effective analytical method to quantify glyphosate (Gly), aminomethylphosphonic acid (AMPA) and glufosinate (Glu) in four kinds of Chinese herbs by derivatization was developed. The method was studied in fo...
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Article
Photocatalytic activity of lanthanum do** TiO2
The photocatalytic activity of the mixtures of TiO2 with the rare earth oxide La was investigated. The study on the effect of the rare earth oxide content, calcinating temperature and calcinating time on the perf...
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Article
Distorition of crystal lattice and abnormal infra-red behavior in nanocrystalline CaCO3
In this study, the structure of nanocrystalline CaCO3 was analyzed using TEM, SEM, FT-IR and XRD measurements. An unusually narrowv 3 band with remarkable blue shift about 40 cm−1 in the infrared spectrum was obs...