Trung Son T.S.S.E Scientific Equipment & Tourist Joint Stock Company

Joint Stock Company

Trung Son T.S.S.E Scientific Equipment & Tourist Joint Stock Company is an Exclusive Distributor of SHIMADZU, a famous brand of analytical instruments, since 2000 in Viet Nam

This document specifies a method for the determination of the KOH number of natural rubber latex concentrate which is preserved wholly or in part with ammonia.
The method is applicable to latices containing boric acid.
The method is not applicable to latices preserved with potassium hydroxide. It is not necessarily suitable for latices from natural sources other than Hevea brasiliensis, or for latices of synthetic rubber, compounded latex, vulcanized latex or artificial dispersions of rubber.
KOH number: number of grams of potassium hydroxide equivalent to the acid radicals combined with ammonia in latex containing 100 g of total solids (rubber latex)