The degree of protection of a lyophobic colloid by the addition of a lyophilic colloid is measured in terms of :
A
gold numer
B
coagultion value
C
sedimentation
D
none of these
Text Solution
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The correct Answer is:
A
Gole number is the amount of lyophilic in mg.which just protect ` 10 mL` gold sol against coagulation by `m L` of ` 10% NaC` solution . It is a measure of protective power of lyophilic colloid .
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