How-to analyze manganese in a drinking water sample

[@isokopeace7720]

Why different colours

[@nicolaibennett5956]

Whats the instrument called?

[@walkertoncleanwatercentre]

Hi Nicolai, you can use a spectrophotometer, as is pictured here, or a colorimeter for this analysis

[@friedrichnietzsche-z4u]

get rid of your annoying background thumping music. even if you can endure the music the content is thin.