Results 301 to 310 of about 147,043 (351)

1‐(2‐Quinolylazo)‐2‐phenanthrol (QAP) as a spectrophotometric reagent and as an indicator for the determination of cobalt(II)

Journal für Praktische Chemie, 1972
Rahul Virmani, B. S. Garg, Rajendra Singh   +2 more
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List of Reagents, Standards, pH Buffers, Acids, and Indicators, and Preparation of Standard Acids, Bases, and Buffers Required in the Instruction Guide

, 2001
J. Jones
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Condensations by Sodium. XXXIV. The Effect of Sodium Reagents on Indicators¹

Journal of the American Chemical Society, 1953
Avery A. Morton, Frank H. Bolton
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118. Substituted benzidines and related compounds as reagents in Analytical Chemistry. Part V. New indicators for the microvolumetric determination of gold

, 1951
R. Belcher, A. J. Nutten
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Evaluating the effect of organic reagents on short-term aging resistance of the organic rectorite asphalt by multi-indicators

International Journal on Road Materials and Pavement Design, 2019
The structure of organic reagents has an effect on the properties of the OREC modified asphalt. This study selected dodecyl trimethyl ammonium chloride (1231), lauryl dimethyl benzyl ammonium chloride (1227) and stearyl trimethyl ammonium chloride (1831)
Zengping Zhang, Meng Jia
semanticscholar   +1 more source

Communication. Effect of cyanoethylation on end-point sharpness in catalytic thermometric titrations with acrylonitrile as the indicator reagent

The Analyst, 1978
E. J. Greenhow, A. Nadjafi, L. Dajer de Torrijos   +2 more
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Sensitized schiff's reagent as an acid-base indicator

Analytica Chimica Acta, 1954
Abstract The sensitized Schiff's reagent has been used as an indicator in the neutralization of strong acids by means of strong or weak bases. (1) Since the acid to alkali transition is much sharper than the reverse process, the titration is best done by adding alkali to the acid.
A. Ghose, S.N. Bhattacharya
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New methods for quantification of Fenton’s reagent addition based on aged sludge indicators to improve filterability

Journal of Hazardous Materials, 2021
Fenton oxidation can effectively improve the dewaterability of aged sludge. Quantification of the addition of optimal reagents is central to the conditioning and dewatering of aged sludge. Improving the accuracy of quantification is significant to promote cost effectiveness.
Xun Tan, Yijun Chen, Qiang Xue, Xingxing He, MingLi Wei, Ping Wang, Lei Liu, Jiangshan Li, Xiande Xie   +8 more
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Formazan-Containing Solid-Phase Reagent Indicator Systems for Environmental Analysis

Russian Journal of General Chemistry, 2018
Research results on synthesis and application of solid-phase reagents containing formazan groups were considered. The influence of the composition and structure of immobilized organic ligands on the sorption and analytical properties of the test-tools obtained were discussed.
Maslakova, T. I., Lipunov, I. N., Pervova, I. G., Maslakov, P. A.   +3 more
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Preparation of reagent indicator papers with silver triangular nanoplates for chemical analysis

Moscow University Chemistry Bulletin, 2017
An impregnation method to prepare reagent indicator papers with silver triangular nanoplates (TNPs) is developed. The conditions for obtaining modified papers (type of paper, method for applying TNPs, and drying conditions) allowing for an acceptably uniform distribution of the TNPs are chosen. The spectral characteristics of the prepared materials are
Vladimir V. Apyari, M. O. Gorbunova, Aleksei A. Furletov, Alexey V. Garshev, Pavel A. Volkov, Anastasiya V. Shevchenko   +5 more
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