Results 61 to 70 of about 1,701 (169)

GRAVIMETRIC DETERMINATION OF NICKEL WITH CYCLOHEXYLIDINE-AMMONIUM-2-AMINOC YCLOHEXY LIDINE- 1-CYCLOHEXENE-1-DITHIOCARBOXYLATE [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1989
Cyclohexylidine-ammonium-2-aminocyclohexyline-l-cyclohexee-l- dithiocarboxylate (CCCD) is employed for the gravimetric determination of Ni (II). In neutral or ammoniacal solutions, the metal forms a violet precipitate with the reagent which can be ...
doaj  

Electrochemical studies of certain 1-(Toluenyl sulfonyl )-3- amino -4-(4’-substituted aryl hydrazono )-2-pyrazolin -5-ones

open access: yesRevista Colombiana de Química, 2011
The electrochemical behavior of certain1-(Toluenyl sulfonyl)-3-amino-4-(4’-substituted aryl hydrazono)-2-pyrazolin-5-ones were studied at the droppingmercury electrode by employing DC polarography.The variables that influencethe electrode process were ...
Ramana Kumar Kakarla   +4 more
doaj  

Recent Developments in Polarography

open access: yesCHIMIA, 1960
G. W. C. Milner
doaj   +1 more source

An investigation on the lead and cadmium content in vegetables and irrigating water in some farms in Gorgan, Iran

open access: yesInternational Journal of Environmental Health Engineering, 2012
Aims: The objective of this study is to investigate the levels of lead (Pb) and cadmium (Cd) in the vegetables from the farms of Gorgan, Iran, and compare them with the permissible levels proposed by the Food and Agriculture Organization (FAO) and World ...
Ali Shahryari, Yousef Dadban Shehamat
doaj  

Ein Umweltchemie-Praktikum an der Fachhochschule Darmstadt

open access: yesCHIMIA, 1994
It should be an aim of chemical education to make students meet aspects of environmental protection in the lab courses. Students at the Fachhochschule Darmstadt carry out model experiments on metal (Ag, Cu) and polymer (PMMA, PET, PS, paper ...
Peter Fischer   +3 more
doaj  

Application of Stripping Voltammetry with a Solid Amalgam Electrode for Determination of Copper in a Tracer and Groundwater Tracing Experiment

open access: yesYankuang ceshi, 2013
Using water-soluble metal salts as tracers, provides an effective method for karst groundwater tracing experiments, which reveal the motion law of karst groundwater by the instant determination of metal ions with artificial tracers in the field.
DENG Zhen-ping   +3 more
doaj  

Phase selective alternating current polarography of gossypol in methanol

open access: yesBulletin of the Chemical Society of Ethiopia, 1988
Bull.Chem.Soc.Ethiop.,2(2), 79-82 (1988).
Dawit Gizachew, Theodros Solomon
doaj  

Tryptophan Prevents the Development of Non-Alcoholic Fatty Liver Disease. [PDF]

open access: yesDiabetes Metab Syndr Obes, 2023
Yanko R   +5 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy