ACS Grade Ammonium Hydroxide Solution, 2.5L Science at Home_Innovating Science Kits Features a glass stopcock and

Features a glass stopcock and a 29/32 size socket with an interchangeable plastic stopper

a step up from the 70mm model with extended pole separation that gives field-mapping experiments more room along the magnet axis

Series-type 0-100 ohm Ohm's meter in an unbreakable case with a clear front

this 12-pack of off-white unglazed porcelain plates supports mineral streak analysis in geology classrooms

ACS Grade Ammonium Hydroxide Solution, 2.5L Science at Home_Innovating Science Kits Features a glass stopcock andTwo and a half liter ACS grade ammonium hydroxide solution, the analytical grade ammonia source for buffer preparation, copper complex chemistry demos, and quantitative precipitation work.