Gentian (Crystal) Violet Back Catalog number: 72171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59885 Magnesium (Mg) Price on request 680187 Trinitroglycerin, 100 µg/ml, Acetonitrile, 1ml Price on request 50041 Potassium Sulfate Price on request