Gentian (Crystal) Violet Back Catalog number: 72171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L429-PAR Method 429 Native PAH Stock Solution, 1.2ml, isooctane Price on request C16930000 Secbumeton, 250mg Price on request 21016 CLP Semi-Volatile Base/Neutral Surrogate Std Price on request