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SPECIFY MERCK REAGENT SOLVENTS
SPECTRO GRADE Merck Butyl Alcohol Normal Reagent being used in a Craig countercurrent extraction apparatus in steroid chemistry research.
MOST CONVENIENT Sizes suitable for laboratory use are readily available from all Merck distributors.
REAGENT GRADE
M O S T VERSATILE Merck Reagent Solvents offer a wide range of solvent properties and physical characteristics. SUPERIOR Q U A L I T Y Their purity makes them invaluable for column or paper chromatography, as noncatalyzing media i n organic syntheses, and for recrystallizations. SPECIALLY
DESIGNED
Merck Spectro Grade Solvents are designed especially for spectrophotometry. They may be used without further purification, assuring reproducible results.
Precision Tools for Accurate Analysis 3 3, N O . I I
Acetone Reagent (A.C.S.) Benzene Reagent (A.C.S.) Butyl Acetate Normal Reagent Capryl Alcohol Reagent Ether Anhydrous Reagent (A.C.S.) Methyl Ethyl Ketone Reagent Nitromethane Reagent Anhydrous Tetrahydrofuran Reagent Trichlorethylene Reagent Xylene Reagent (A.C.S.) And Many Others
ÏVIEÏtCK & CO., live* Manufacturing R A H W A Y ,
© Merck & Co., Inc.
VOLUME
Acetone Carbon Tetrachloride Chloroform Methyl Alcohol Anhydrous Methylene Chloride Iso-octane Isopropyl Alcohol
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MARCH
14, 1 9 5 5
Chemists
N E W
J E R S E Y
112a
