MAKES MERCURY ANALYSIS AN NEXPENSIVE, ROUTINE PROCEDURE Coleman MODEL MAS-50 MERCURY ANALYZER SYSTEM Sensitivity: 0.01 microgram of mer cury (equal to or better than atomic absorption) Direct reading in micrograms of mer cury Dynamic range: 0 to 9 micrograms of mercury Response time: less than one minute over the full concentration range
Whether you wish to detect mercury in air, water, food, soil, fertilizer or metal—or in urine, blood or tissue, one thing is sure: you'll be able to do it less expensively with this lightweight, compact instrument which boasts a sen sitivity equal to or better than can be obtained using the most sophisticated atomic absorption unit. No special training is required to operate the simple two-control system. No calculations have to be made. The Model MAS-50 Mercury Analyzer System gives a direct meter reading in micrograms of mercury and % T . Even an unskilled operator can easily obtain a sensitivity of 0.01 microgram. Response time is less than one minute over the full concentration range. Model MAS-50, which employs the Hatch and Ott procedure recommended by the Federal Water Quality Administration, is a completely self-contained system re quiring no accessories or hook-up. It weighs only ten
SCIENTIFIC
GLASS APPARATUS CO. INC.
B L O O M F I E L D , Branches:
Boston Mass.
Oanbury Conn.
N E W
J Ε R S Ε >
pounds, has a self-contained circulating pump, comes with procedures, and is available with or without all necessary standards and reagents. A recorder output is provided. The instrument consists of a metal case finished in gray chemical-resistant enamel measuring 2 0 " x l l " x 8 " . It has an all-plastic cell and includes easily demountable plastic windows to facilitate cleaning. If you're interested in speeding mercury determina tion procedures while at the same time cutting expendi tures, it will pay you to learn more about this new, in expensive Coleman instrument. Bulletin B-350 will be sent on request. Ask us for a copy. M-2000X
Coleman Mercury Analyzer System, Model MAS50, complete with built-in pump, plastic absorp tion cell, tubing, and reaction vessel, but without reagents or dispensers. Price $875.00
L A B O R AT Ο R Y . . . • Α Ρ Ρ A R AT U S • I N S T R U M E N T S • C H E M I C A L S • G L A S S W A R E
Elk Grove Village Fullerton III. Calif. Circle No. 172 on Readers' Service Card
Philadelphia Penna.
Silver Spring Md.
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A N A L Y T I C A L CHEMISTRY, VOL. 4 3 , NO. 2 , FEBRUARY 1 9 7 1
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