水曜日, 03 2月 2021

Ketentuan Pemakaian Desikator di Laboratorium

火曜日, 21 6月 2016

You have probably at least heard of or seen the term pH. It has become something of a household word. In advertising, there has been mention of things like "the pH of your skin" and "pH of your diet." You may also remember experiments in school using litmus paper to see if a solution was acidic or alkaline.