PESTICIDES
PESTICIDES (Ave. dev„ 50 r u n s = ±3.2%) 1 1 SOLVENT
SOLVENT
SOLVENT
r J ^ _ j v / w w ^-v_ Manual Syringe Injection (5jul) A u t o m a t i c Capsule Injections ( 5 u l ) 1. Lindane 2. Heptachlor 3. Aldrin 4. Heptachlor Epoxide 5. Dieidrin 6. Endrin
QUESTION:
Can you automatically such as
ANSWER:
YES,
analyze
volatiles
pesticides...hydrocarbons...?
W I T H ' H O T - P O P ' CAPSULES!
ΉΟΤ-POP' Teflon* Capsules extend the capability of BARBER-COLMAN auto mated analyses to include volatile liquids. By placing samples (2-8 μ\) in the cap sules and sealing with inserted Teflon plugs, liquids are stored without loss at room temperature. Then the automatic injector drops capsules into the heated vaporization zone. As sample vapor pres sure increases, both plug and sample rapidly eject . . . giving you excellent chromatographic efficiency. The BARBER-COLMAN GC automated system allows at least 40 samples to be run in a single series of unattended analyses. Isothermal or temperature pro-
B A R B E R
—
CHROMATOGRAPHY
COLD
Instantaneous sample release assures high efficiency
grammed analyses can be performed with equal reliability and ease. Price? Surprisingly low! For 24 HOURPER-DAY operation, the price of a standard automated system, including recorder, is only about 25% higher than an 8 HOUR-PER-DAY manual gas chromatograph of equivalent quality. Contact your Barber-Colman Company representative for details.
COLMAN
BARBER COLMAN
Rockford, Illinois 61101 U.S.A. BARBER-COLMAN of Canada Ltd., Toronto 4 Montreal — Overseas Sales Mgrs.: Ad. Auriema, Inc., N.Y.
*Regiitered Trademark of E. I. duPont de Nernouri & Co., Inc.
HYDROCARBONS
Manual Syringe Injection (2.5 u\)
H Y D R O C A R B O N S (Ave. dev., 35 runs =
A u t o m a t i c Capsule Injections (2.S ul)
1. n-Hexane 2. n-Heptane 3. n-Octane 4. n-Nonane 5. n-Decane Circle No. 26 on Readers' Service Card 24 A
·
ANALYTICAL CHEMISTRY
±0.6%)