Gravimetric Determination of Platinum as 1-Phenylthiosemicarbazide Complex

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...

Gravimetric determination of pipette errors

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...

Gravimetric Determination of Soil Organic Matter

Studies were carried out to evaluate a gravimetric method for the determination of soil organic matter by the mass loss at 300C. The gravimetric method was compared with Walkley-Black, using several brazilian soils with variable chemical and physical properties. Gravimetric method was positively correlated with Walkley-Black method with the following linear regression equation: y = 3.72x + 0.29...

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 accurately. t...

A Simple Gravimetric Method for the Determination of Urinary Potassium