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Laboratory and Analysis systems. As new. With guarantee. Labexchange is the leading provider of used laboratory and analytical equipment. For more than 28 years we stand for high technical reliability and comprehensive service. Users in analytical laboratories, the chemical and pharmaceutical ind more
Nearly 80 years ago, the development of the glass electrode at the former Jenaer Glaswerk SCHOTT & Gen. revolutionized chemical measuring. By using new conductive glass types it was now possible to display pH values via conventional needle galvanometers. The further company history too was marked b more
Monitoring ligand binding for material analysis through the use of HR-US Titration analysis
Ultrasonic Scientific Ltd. presented a method to monitor ligand binding for material analysis through the use of HR-US Titration analysis . According to the company, this novel technique is capable of analysing molecular bindings with or without minimum sample preparation in both dilute and concentr more
Speciation, Luminescence, and Alkaline Fluorescence Quenching of 4-(2-Methylbutyl)aminodipicolinic Acid (H2MEBADPA)
4-(2-Methylbutyl)aminodipicolinic acid (H2MEBADPA) has been synthesized and fully characterized in terms of aqueous phase protonation constants (pKa's) and photophysical measurements. The pKa's were determined by spectrophotometric titrations, utilizing a fully sealed titration system. Photophysical more
Dissection of Complex Molecular Recognition Interfaces
The synthesis of a family of zinc porphyrins and pyridine ligands equipped with peripheral H-bonding functionality has provided access to a wide range of closely related supramolecular complexes featuring between zero and four intramolecular H-bonds. An automated UV/vis titration system was used to more
Sequential determination of uranium (IV), free acidity and hydrazine in a single aliquot
A simple analytical procedure for the sequential determination of uranium (IV), free acidity and hydrazine in presence of hydrolysable ions is developed and described. In this method, first, uranium (IV) is determined using fiber optic aided spectrophotometry then same solution is used for determina more