CENTRAL SCIENTIFIC COMPANY
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VOLUME 2 0, N O . 3, M A R C H 1948 7A for your LABORATORY ν θ 1. No. 15517 Silicone Vacuum Grease (Dow-Corning) is for use in high vacuum systems. It is a heavy lubricant with exceptional film strength, unusual heat stability, low vapor pressure, and chemical resistance. Size A B In tube containing, ounces 2 8 Each $1.25 4.50 2. No. 27134 Zahn Viscosimeter (General Electric) is convenient for controlling the viscosity of paints, varnishes, oils, etc. Capacity, 44 ml. Made with four sizes of orifices: A for solvents, thin oils and thin mixtures; Β for ordinary oils, mixed paints and lacquer; C for heavy oils and paint mixtures; D for extra heavy mixtures; Ε for mixtures of highest viscosity Each, $12.05 3. No. 23020 Raney Catalyst is a finely divided alloy of nickel and aluminum made by a patented process for catalytic reactions. It is inert and keeps indefinitely. It provides high yields in the prepara- tion of organic compounds by hydrogénation. Size A B C Contents, pounds 2 4 10 Each $3.25 6.00 14.50 4. No. 12177 "Gear-Action" Clamps prevent leaky rubber tubing connection. Can be attached without removing tubing. Size A B For Tubing, outside diam., inches J-li to M Vis to l'/ic Each $0.28 0.28 5. No. 10006 Tygomatic Pump permits dispensing acids easily and safely from standard 5 pint acid bottles. Its resistance to most cor- rosives is excellent Each, $4.00 6. No. 18107 Frizzell Rubber Crucible Holder holds 25 ml Gooch crucibles and similar sizes of other filtering crucibles in a Kimble "58" or an ordinary 60° funnel. The wet surfaces of the rubber seals the crucible to the wall of the funnel when suction is applied. Size: Height, % inch; diameter, top, 2 inches, bottom, 1 J-g inches; the center hole tapers from \}4 inches at the top to \}/g inches at the bottom Each, $0.25 Ο ο θ 1700 IRVING PARK ROAD, CHICAGO 13 NEW YORK BOSTON SAN FRANCISCO NEWARK LOS ANGELES TORONTO MONTREAL CENTRAL SCIENTIFIC COMPANY Scientikic Spparatus CENCO
Transcript of CENTRAL SCIENTIFIC COMPANY
V O L U M E 2 0, NO. 3, M A R C H 1 9 4 8 7 A
for your
LABORATORY ν
θ
1. No. 15517 Silicone Vacuum Grease (Dow-Corning) is for use in high vacuum systems. It is a heavy lubricant with exceptional film strength, unusual heat stability, low vapor pressure, and chemical resistance. Size A B In tube containing, ounces 2 8 Each $1.25 4.50
2. No. 27134 Zahn Viscosimeter (General Electric) is convenient for controlling the viscosity of paints, varnishes, oils, etc. Capacity, 44 ml. Made with four sizes of orifices: A for solvents, thin oils and thin mixtures; Β for ordinary oils, mixed paints and lacquer; C for heavy oils and paint mixtures; D for extra heavy mixtures; Ε for mixtures of highest viscosity Each, $12.05
3. No. 23020 Raney Catalyst is a finely divided alloy of nickel and aluminum made by a patented process for catalytic reactions. It is inert and keeps indefinitely. It provides high yields in the preparation of organic compounds by hydrogénation.
Size A B C Contents, pounds 2 4 10 Each $3.25 6.00 14.50
4. No. 12177 "Gear-Action" Clamps prevent leaky rubber tubing connection. Can be attached without removing tubing.
Size A B For Tubing, outside diam., inches J-li to M Vis to l '/ic Each $0.28 0.28
5. No. 10006 Tygomatic Pump permits dispensing acids easily and safely from standard 5 pint acid bottles. Its resistance to most corrosives is excellent Each, $4.00
6. No. 18107 Frizzell Rubber Crucible Holder holds 25 ml Gooch crucibles and similar sizes of other filtering crucibles in a Kimble "58" or an ordinary 60° funnel. The wet surfaces of the rubber seals the crucible to the wall of the funnel when suction is applied.
Size: Height, % inch; diameter, top, 2 inches, bottom, 1 J-g inches; the center hole tapers from \}4 inches at the top to \}/g inches at the bottom Each, $0.25
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1700 I R V I N G PARK R O A D , C H I C A G O 13 N E W Y O R K B O S T O N S A N F R A N C I S C O N E W A R K LOS A N G E L E S T O R O N T O M O N T R E A L
C E N T R A L S C I E N T I F I C C O M P A N Y Scientikic Spparatus CENCO
