When the Congo red indicator dye interacts with oxalic acid, small insoluble blue particles forming.
Schlüsselwörter
beaker,
reaction,
chemistry,
colloid,
particle,
chemical,
precipitate,
precipitation,
coloration,
analysis,
analytical,
analysing,
art,
background,
blue,
colloidal,
colours,
compound,
dissolution,
dissolving,
dye,
education,
equipment,
glasses,
glassware,
pointing,
indicator,
isolated,
laboratory,
layer,
liquid,
measure,
organic,
ph,
reagent,
research,
science,
scientific,
scientist,
sediment,
separation,
solution,
substance,
technology,
test,
transparent,
volume,
water
Deutsch
