Gravimetric determination of thorium with 1-naphthyl acetic acid
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GRAVIMETRIC DETERMINATION OF NICKEL WITH CYCLOHEXYLIDINE-AMMONIUM-2-AMINOC YCLOHEXY LIDINE- 1-CYCLOHEXENE-1-DITHIOCARBOXYLATE
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 weighed as Ni (C13H18NS2)a2f ter drying at 115 - 120?C Using this procedure, the nickel content of steel samples can also be determined accurate...
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1. Pratt, J. J., Steroid immunoassay in clinical chemistry. Clin. Chem. 24, 1869 (1978). 2. Shackleton, C. H. L., and Whitney, J. 0., Use of Sep-pak cartridges for urinary steroid extraction: Evaluation of the method for use prior to gas chromatographic analysis. Clin. Chim. Acta (in press). 3. Thenot, J.-P., and Horning, E. C., MOTMS derivatives of human steroids for GC and GC-MS studies. Anal...
متن کاملgravimetric determination of nickel with cyclohexylidine-ammonium-2-aminoc yclohexy lidine- 1-cyclohexene-1-dithiocarboxylate
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 weighed as ni (c13h18ns2)a2f ter drying at 115 - 120?c using this procedure, the nickel content of steel samples can also be determined accurately. t...
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In chemical measurements (for instance in titrimetric analysis) it is very important to precisely measure amount of liquid, the measurement is performed with use of various measuring vessels. Presently laboratories use all kinds of glass measuring vessels like: beakers, flasks, etc., for measurement of bigger volumes of liquid, and in case of small volumes glass pipettes. Glass pipettes have be...
متن کامل3-Hydroxyadamantane-1-acetic acid
The crystal structure of the title adamantane derivative, C(12)H(18)O(3), has been determined by X-ray diffraction. The structure is stabilized by inter-molecular O-H⋯O hydrogen bonds, forming a chain.
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ژورنال
عنوان ژورنال: Fresenius' Zeitschrift f�r Analytische Chemie
سال: 1973
ISSN: 0016-1152,1618-2650
DOI: 10.1007/bf00453184