A novel method for fast enrichment and monitoring of hexavalent and trivalent chromium at the ppt level with modified silica MCM-41 and its determination by inductively coupled plasma optical emission spectrometry

期刊论文
摘要:
Chromium(III) at the ng L-1 level was extracted using partially silylated MCM-41 modified by a tetra...
doi:
10.1590/S0100-40422006000300007
作 者:
Ziarani, Ghodsi Moha...
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Quimica nova

Determination of aluminum in food samples after preconcentration as aluminon complex on microcrystalline naphthalene by spectrophotometry

期刊论文
摘要:
A sensitive preconcentrationprocedure for spectrophotometeric determination of aluminum was develope...
doi:
10.1590/S0100-40422011000300007
作 者:
Fathi, Mohammad Reza...
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Quimica nova

Electrochemical Characterisation of Sol-Gel Derived SnO2 for Supercapacitor Application

期刊论文
摘要:
Pseudocapacitive properties of SnO2 and Sb-doped SnO2 were determined in 0.5 mol dm鈥? KCl solution. ...
doi:
10.5562/cca3180
作 者:
Kraljić Roković, Mar...
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Croatica Chemica Acta

Solvent extraction studies on uranium using amine based extractants and recovery from low grade ore leach liquors

期刊论文
摘要:
In this study, amine based extractants (Alamine 336, Alamine 308, Alamine 304聽and Aliquat聽336) dilut...
doi:
10.1590/S0103-50532012000700009
作 者:
Korea Institute of G...
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Journal of the Brazilian Chemical Society

ENHANCED PROPERTIES OF HYPERBRANCHED POLYURETHANE ELASTOMERS BASED ON POLYDIMETHYLSILOXANE/POLYETHER MIXED SOFT SEGMENTS

期刊论文
摘要:
A novel hydroxyl-terminated polymer HPMS-APE was synthesized by introducing allyl polyethylene oxide...
doi:
10.4067/S0717-97072014000400005
作 者:
TANG, QIANYUN;MA, YA...
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Journal of The Chilean Chemical Society

VALIDATION OF A METHOD TO DETECT COCAINE AND BENZOYLECGONINE IN HUMAN WHOLE BLOOD BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY AND APPLICATION IN BODY PACKERS AND STUFFERS CASES IN THE NORTH OF CHILE

期刊论文
摘要:
The present paper describes a method for the simultaneous determination of cocaine and benzoylecgoni...
doi:
10.4067/S0717-97072012000300012
作 者:
CONTZEN, MARÍA CECIL...
作者机构:
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期刊标题:
Journal of The Chilean Chemical Society

SYNTHESIS, CRYSTAL STRUCTURES, AND ANTIBACTERIAL ACTIVITY OF A SERIES OF HYDRAZONE COMPOUNDS DERIVED FROM 4-METHYLBENZOHYDRAZIDE

期刊论文
摘要:
A series of hydrazone compounds, 4-methyl-N'-(4-nitrobenzylidene)benzohydrazide methanol solvate (1)...
doi:
10.4067/S0717-97072015000200021
作 者:
GUAN, XIAO-LIN;FU, C...
作者机构:
期刊编号:
期刊标题:
Journal of The Chilean Chemical Society

Optimization of Experimental Parameters in Analysis of Pharmaceutical Pellets by Near Infrared-Chemical Imaging (NIR-CI) and Multivariate Curve Resolution with Alternating Least Squares (MCR-ALS)

期刊论文
摘要:
The quality control of pellets homogeneity cannot be assessed by conventional techniques and near in...
doi:
10.21577/0103-5053.20180059
作 者:
Da-Col, José August...
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Journal of the Brazilian Chemical Society

Efficient and environmentally benign synthetic protocol for the synthesis of structurally diverse annulated pyridopyrimidines

期刊论文
摘要:
Structurally diverse annulated pyridopyrimidines have been synthesized by an efficient and environme...
doi:
10.1080/17518253.2014.895057
作 者:
Anshu Rajawat
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Green Chemistry Letters and Reviews

Chemistry in northeast Brazil: the role of the Brazilian Chemical Society

期刊论文
摘要:
doi:
10.1590/S0100-40421997000700010
作 者:
Gama, A. Arnóbio de ...
作者机构:
期刊编号:
期刊标题:
Quimica nova
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