Catechol violet indicator, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Pyrocatechol Violet (PV) is a sulfone phthalein dye. It chelates metal ions. The metal-PV complex is bluish-violet in colour.
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Catechol violet, pure indicator grade
Supplier: Thermo Fisher Scientific
Catechol violet, pure indicator grade
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