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Instrumentation and calibration of the Calvet calorimeter

Enthalpy of solution of PrBr3 at standard conditions

Journal of Thermal Analysis and Calorimetry
Authors: Beata Salamon, Jan Kapała, and Marcelle Gaune-Escard

pure for analysis), PrBr 3 was prepared before [ 2 ]. The metallic gallium (Aldrich 99.99% trace metals basis) was used as a reference material. The calibration of thermocouple were done for two temperature points: melting point of water and melting

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.C. 1998 : Methods and guidelines for effective model calibration . — U.S. Geological Survey Water-Resources Investigations Report , 98 – 4005 .91 p. Hill , M.C. , E.R. Banta , A

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Resolution and Discovery
Authors: György Zoltán Radnóczi, Zoltán Herceg, and Tamás Rafael Kiss

modern microscopes is usually around 1–2%. This accuracy is only achieved if strict imaging requirements are met regarding sample height and defocus. This may be improved by the use of accurate calibration standards like the commonly known Mag

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for 15 min, and then cooled down according to the manufactures' instructions. Thereafter, the clear digest was transferred into a 50 mL volumetric tube and filled with 50 mL of MQ water. Preparation of standards and intermediate standards Calibration

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, F. , He , Y. , Wang , L. & Sun , G. ( 2011 ): Detection of organic acids and pH of fruit vinegars using near-infrared spectroscopy and multivariate calibration . Food Bioprocess Tech. , 4 , 1331 – 1340

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prepared with concentrationo of 658 ng/g in toluene. CRM PAH 16 Compounds mix 500 ug/mL for calibration and determination is purchased by Reagecon Diagnostics Ltd (Shannon, Ireland). KOH is purchased by Sigma–Aldrich (Deisenhofen, Germany). QuEChERS extract

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Acta Chromatographica
Authors: Yunfang Zhou, Bingbao Chen, Junyan Chen, Yanwen Dong, Shuanghu Wang, Congcong Wen, Xianqin Wang, and Xiaomin Yu

avicularin (IS, b) Calibration Standards and Quality Control Samples The stock solutions of jaceosidin (1.0 mg mL −1 ) and avicularin (IS) (1.0 mg mL −1 ) were prepared in methanol

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. Calibration Standards and Quality Control Samples Eupatilin and tussilagone (IS) were dissolved in methanol–water (50:50, v/v), respectively, to prepare the primary stock solutions at the same concentration of 1 mg/mL. Working solutions of the IS

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voltage 26 v), was used for quantitative analysis, in an ESI positive mode and MRM, Fig. 1 . Fig. 1. Chemical structure and mass spectrum of narciclasine and tectorigenin (IS) Calibration standards The stored solutions of narciclasine (1.0 mg/mL) and

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working solution of the IS was prepared by diluting IS stock solution with methanol to yield a final concentration of 5 μg/mL. These diluted working standard solutions were used to prepare the calibration curve and quality control (QC) samples

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