Tag: ph

Determination of ph in a laboratory glass tube

Determination of ph in a laboratory glass tube 68 19 0

Ph scale for comparing the result hydrogen index

Ph scale for comparing the result hydrogen index 108 18 0

Close-up of a indicator paper with sour testing

Close-up of a indicator paper with sour testing 88 12 0

Indicator paper with alkaline testing

Indicator paper with alkaline testing 60 10 0

Close-up of a solution in a dropper

Close-up of a solution in a dropper 50 16 0

Chemical solutions and indicator paper. Analysis concept

Chemical solutions and indicator paper. Analysis concept 40 7 0