r-
By Flameless atomic Absorption
OUR KIT
FITS
ANY Atomic Absorption Spectrop hotometer and includes: . 1 0 cm cell and 1 cm cell with high quality quartz windows . . Lucite protective sheaths for cells . . Custom fabricated glassware for ease of assembly and operation . . Spare reaction vessel . . Tygon tubing . . Drying tubes . . All reagents and standards . . Complete procedures
Hg
to 1.0 ppb of
As
to 0.2 ppb
by Atomic Absorption using Arsine _^
This original kit for mercury analyses can be adapted to arsenic analyses.
Arsenic can be determined to 1 ppb by generating arsine in our glassware and burning this in a hydrogen-argon flame.
ALSO
COMPLETE KIT
We can arrange to have your samples analyzed.
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Utopia Instrument Co. P.O. Box 8 6 3 J o l i e t , Illinois 6 0 4 3 4 815-727-5431 Circle No. 185 on Readers' Service Card
Literature of Chemical Technology
ADVANCES IN CHEMISTRY SERIES NO. 78 When you need information, knowing where to look is the hard part—right? Not any more. Forty articles in this volume tell you where— —where —where —where —where
the the the the
patents are abstracts and indexes are background information is new information is
More than 30 major fields in chemical technology are covered: • Chlor-alkali, electrochemistry, industrial gases, noble metals, ceramics, refractories, abrasives, cement, explosives, and rocketry • Pharmaceutical and medicinal, synthetic dyes, photographic chemicals, cosmetics, soaps and detergents, waxes and polishes • Resins and plastics, synthetic rubber, natural rubber, coatings, printing inks, cellulose, pulp and paper, wood naval stores, leather, gelatin, adhesives • Coal, petroleum, cides, food.
carbon black, aerosols,
pesti-
732 pages with index Cloth bound (1968) $17.50 Postpaid in U.S. and Canada; plus 30 cents elsewhere. Set of L. C. cards with library orders upon request. Order f r o m : Special Issues Sales A m e r i c a n Chemical Society 1155 Sixteenth St., N.W. W a s h i n g t o n , D.C. 20036
48 A · ANALYTICAL CHEMISTRY, VOL. 43, NO. 4, APRIL 1971
