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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 6, Number 2
JKCSEZ 6(2)
April 20, 1962

Title	Studies on the Homogeneous Precipitation of Silver Halide Silver Halide 의 균일침전법에 관한 연구
Author	Doo Won Park, Sang OOh 박두원, 오상오
Keywords
Abstract	The silver halide precipitate tends to separate in curdy form of flocculated colloid when it is precipitated by direct mixing of reactant solutions. This type of precipitate has a great tendency to adsorb or occlude foreign ions in the solution. When silver halide is precipitated from homogeneous solution using the slow hydrolysis of Alkyl halide or Allyl halide, the precipitate becomes dense, filterable and uniform in particle size which is very advantageous in gravimetric analysis. We found that silver halide precipitates obtained from homogeneous solution with hydrogen halide formed by the hydrolysis of alkyl halide do not give the color change with fluorescein as adsorption indicater, while silver halide precipitates obtained by direct mixing method give sharply pink color which appear to be uniformly distributed through the solution in silver ion excess.
Page	122 - 124
Full Text	PDF

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