Only MCB
makes the gradesix solvent grades that match your
quality requirement
Actually, you can buy MCB dioxane in nine lines of purity to meet the exact demands of your research. MCB in-depth quality: SPECTROQUALITY—solvents analyzed spectrophotometrically in the ultraviolet, infrared and near infrared regions. SCINTILLATION QUALITY—low florescence chemicals produced for use with scintillation counters. Meet A.C.S. specifications. CRITERIOQUALITY—organic reference standards for physical chemical measurements and other precise techniques with a minimum purity of 99.8 mole %. CHROMATOQUALITY—chemicals which have a minimum purity of 99 + mole % as determined by gas chromatography under the conditions described on the chromatogram accompanying each unit. DEUTEROQUALITY—for use as a solvent in nuclear magnetic resonance spectroscopy. PESTICIDEQUALITY—solvents which are specially purified for use In the determination of pesticide residues by GLC utilizing electron capture detection. Of course, MCB also produces dioxane in histological, practical, and industrial grades. Think MCB when you think quality. Write for new 296page catalog containing over 10,000 MCB chemicals.
MathesonUColeman & Bell Manufacturing Chemists Norwood, Ohio; Los Angeles, Calif.; East Rutherford, N.J.
alike...until you Circle No
4a on Readers’
Service Card
turn them around 6-69 MCB
