Evaluation of staining capacity of PTAH solutions.
D001578:Benzopyrans / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010772:Phosphotungstic Acid; D011786:Quality Control; D013053:Spectrophotometry; D013194:Staining and Labeling
D001578:Benzopyrans; D010772:Phosphotungstic Acid