Results 151 to 160 of about 1,518 (213)

Structure and tautomerism of maleic hydrazide

open access: yesJournal of Molecular Structure: THEOCHEM, 1991
Abstract The structure and tautomerism of maleic hydrazide were examined by means of quantum chem- ical methods. The molecular geometry of the various tautomers and their stability order were determined by employing the 3-21G and 6-31G* basis sets. The solvent influence on the stability of the tautomers was estimated by means of a quantum chemical ...
H. Hofmann   +3 more
openaire   +2 more sources

THE ESTIMATION OF MALEIC HYDRAZIDE BY PAPER CHROMATOGRAPHY

open access: yesCanadian Journal of Biochemistry and Physiology, 1958
Maleic hydrazide added to solutions of partially purified plant extracts can be determined semiquantitatively by a paper chromatographic method in which the area of the maleic hydrazide spot, detected by spraying with a mixture of ferric chloride and potassium ferricyanide, is measured.
W. A. Andreae
openaire   +3 more sources
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Carcinogenicity study of the pesticide maleic hydrazide in mice

Toxicology, 1982
The carcinogenicity of the pesticide maleic hydrazide (MH) was studied in C57BL/B6 mice. After subcutaneous (s.c.) administration no significant increase in the incidence of liver-cell tumours was seen over that in solvent-treated controls, and although a statistically significant difference in the incidence of liver-cell tumours was observed between ...
JOSÉ R P Cabral
exaly   +3 more sources

Study of the voltammetric behaviour of maleic hydrazide and its determination at a hanging mercury drop electrode

open access: yesTalanta, 2004
Voltammetric behaviour of maleic hydrazide pesticide dissolved in a Britton-Robertson buffer was investigated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). It was found that the process at the Hg electrode was diffusion controlled;
Yongnian Ni, Ping Qiu, Serge Kokot
exaly   +2 more sources

Cytotoxic effects of etephon and maleic hydrazide in Vero, Hep2, HepG2 cells

open access: yesDrug and Chemical Toxicology, 2014
The toxicity of etephon and maleic hydrazide, used as plant growth regulators in agriculture, were reported as low in mammals in previous studies.
Emine Baydan, Hamza Okur
exaly   +2 more sources

Co(II), Cu(II), Mn(II) and Ni(II) complexes of maleic hydrazide

open access: yesInorganica Chimica Acta, 2015
The binding of 3d transition metals to maleic hydrazide (3,6-dihydroxypyridazine) has been investigated. Cobalt(II), copper(II), manganese(II) and nickel(II) complexes of maleic hydrazide have been prepared, crystallized and studied by various ...
Ray J Butcher, Frederick T Greenaway
exaly   +2 more sources

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