i OLLOIDS 





When a fluid solution exhibits both <>f t] 

 Tyndall phenomenon and indiffusibilitj , th< 

 being in a true colloidal state, bul there are sub 

 red or protein solutions of certain strengths, wlii<-li i 

 slighl diffusibility in a dialyzer bul not Bhov the Tyndall 

 Substances of this group constitute transitional 

 ,-itnl colloidal solutions, and to determine their ti 



■ 



Barj to employ i cfined t! 



lilt rat ion. etc., which can nol be described hi 



3. The Size of Colloidal Particles. It wil 

 property upon \\ hich the abo> e rn< 

 of the particle. Particles « hich can still b< 

 are called microns. They hi 



1 1 nun or in-'!. 



are invisible microscopically 



