NEW CHEMICALS
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ISO PROBE Measures ELECTROSTATIC POTENTIAL r Without Physical Contact = Ξ The Easy Way Ξ — For Research or Production Line — APPLICATIONS Accurate surface potential measurement of small area Measurement of Electrets Illumination effects on charged surface Surface charge leakage measurement Electrostatic field measurement Electrostatic monitoring systems for: Hazardous industrial areas Hospitals Film Processors Flammable fuel storage and transfer areas Aircraft Plastic Manufacturing Textile Manufacturing FEATURES — · Simple Operation - No Time — Consuming Set-ups or Special — Shielding Required — · Drift Free Performance — · Absolute Calibration — · Accuracy Essentially Independent — of Probe-to-Surface Spacing — · Inherent error less than 0.1% — · Millivolt to kilovolt ranges — · Surface resolution better than — 0.03" circle = · New TRANSPARENT PROBE — Uses no mirrors or Coated — Glass - Permits Direct Illumination — of Charged Areas Ξ ALSO AVAILABLE: ~ Portable Instruments ~ D.C. Fieldmeters ~ Special Purpose Electrometers ^ Write today for catalog !i> MONROE ELECTRONICS, INC 100 HOUSEL AVENUE LYNDONVILLE, NEW YORK 14098 New Products Inert gas purifier GP-1 removes carbon, nitrogen, oxygen, and water from inert gases such as argon, helium, krypton, neon, or xenon. Impurity output level is maintained at about 0.001 ppm. $485. Frank D. Livelli & Co. 201-933- 2575 425 Automatic sampler-diluter covers the sample size range from 2 to 200 μ). Diluent volume can also be adjusted from 10 μ \ to 10 cc (a 1000-to-l range). Reproducibility is better than 0.4% at one std dev at y 2 °f tne maximum vol- ume range. $795. Rohe' Scientific. 714-547-3916 426 CIRCLE 129 ON READER SERVICE CARD 102 A . ANALYTICAL CHEMISTRY, VOL. Micro pipetters with disposable Teflon tips come in four models with volume infinitely adjustable from almost zero to 5, 12.5, 25, and 50 μ\. The 5-μ\ model can deliver 1 μ\ to ±0.01 μ\ (1%). $48 to $60; disposable Teflon tips, $4.50 to $6.50 (pkg of 100). Uni- metrics Universal Corp. 714-879-3777 427 pH controller can sense and control pH over the 1—14 range; desired limits are programmed with two front-panel dials. $199. An expanded scale pH meter Type 40E is a battery-operated portable model with a 6-in. meter. The 1-14 pH range can be expanded to a range of 1.4 pH. Accuracy is 0.05 and readabil- ity is better than 0.003 pH unit. $99. Chemtrix, Inc. 503-648-1434 428 Angular baseline corrector as an option for the company's 200-series integrat- ors for gc is available; operation of the standard baseline corrector built into integrators is suspended during the in- tegration of peaks. $300. Also avail- able as a plug-in option for these inte- grators is a teletype decoder/controller system. This system, useful for routine analytical work, promises a level of automatic integration comparable to high-powered computer systems. In- fotronics Corp. 512-454-3521 429 ALP-2 semiautomated system for all liquid-liquid extractions is particularly suitable for use in drug-screening pro- grams. The system provides suitable extracts in mass scale procedures for the detection of drugs of abuse, ste- roids, fat soluble vitamins, pesticides, and organic pollutants. A sample ex- traction station and multiple rotary evaporator comprise the system which has been engineered for optimum batch size so that 50—70 dried extracts per hour can be provided for all common lab procedures using tic, glc, fluorom- etry, etc. $7377. Cybertek, Inc. 516- 822-4990 430 44, NO. 3, MARCH 1972 '' * , " : ' $ \k BIORAD stocks DOWEX® ion exchange resins, anion and cation, in 44 types and bead sizes. For immediate shipment! Need we say more? Only that BlO-RAD's AG« resins—the research standard of excellence— are also available for those applications requiring the highest chemical purity. For details on DOWEX and AG, send for our new complete catalog and price libt. 32nd & Griffin Ave. Richmond, Cal. 94804 (415) 234-4130 220 Maple Ave. Rockville Centre. NY 11570 (516)764-2575 ΓΙΡΠΡ OR OM PFAHFP ^FDVITF ΓΛΡΠ BIO-RAD Laboratories
Transcript of NEW CHEMICALS
ISO PROBE Measures
ELECTROSTATIC POTENTIAL
r Without Physical Contact = Ξ The Easy Way Ξ — For Research o r Production Line —
APPLICATIONS Accurate surface potential
measurement of small area Measurement of Electrets Illumination effects on charged surface Surface charge leakage measurement Electrostatic field measurement Electrostatic monitoring systems for:
Hazardous industrial areas Hospitals Film Processors Flammable fuel storage and transfer areas
Aircraft Plastic Manufacturing Textile Manufacturing
FEATURES — · Simple Operation - No Time — Consuming Set-ups or Special — Shielding Required — · Drift Free Performance — · Absolute Calibration — · Accuracy Essentially Independent — of Probe-to-Surface Spacing — · Inherent error less than 0 .1% — · Millivolt to kilovolt ranges — · Surface resolution better than — 0.03" circle = · New TRANSPARENT PROBE — Uses no mirrors or Coated — Glass - Permits Direct Illumination — of Charged Areas
Ξ ALSO AVAILABLE: ~ Portable Instruments ~ D.C. Fieldmeters ~ Special Purpose Electrometers
^ Wr i te today for catalog
!i> MONROE ELECTRONICS, INC
100 HOUSEL AVENUE LYNDONVILLE, NEW YORK 14098
New Products
Inert gas purifier GP-1 removes carbon, nitrogen, oxygen, and water from inert gases such as argon, helium, krypton, neon, or xenon. Impurity output level is maintained at about 0.001 ppm. $485. Frank D. Livelli & Co. 201-933-2575 425
Automatic sampler-diluter covers the sample size range from 2 to 200 μ). Diluent volume can also be adjusted from 10 μ\ to 10 cc (a 1000-to-l range). Reproducibility is better than 0.4% at one std dev at y2 ° f t n e maximum volume range. $795. Rohe' Scientific. 714-547-3916 426
CIRCLE 129 ON READER SERVICE CARD
102 A . ANALYTICAL CHEMISTRY, VOL.
Micro pipetters w i th disposable Teflon t ips come in four models w i th vo lume inf in i te ly adjustable f r o m a lmost zero to 5, 12.5, 25, and 50 μ\. The 5-μ\ model can deliver 1 μ\ to ± 0 . 0 1 μ\ ( 1 % ) . $48 to $60; disposable Tef lon t ips , $4.50 to $6 .50 (pkg of 100) . Uni-metr ics Universal Corp. 714-879-3777
4 2 7
pH controller can sense and control pH over the 1—14 range; desired l imi ts are programmed wi th two f ront-panel dials. $199 . An expanded scale pH meter Type 40E is a battery-operated portable model w i th a 6-in. meter. The 1-14 pH range can be expanded to a range of 1.4 pH. Accuracy is 0.05 and readability is better than 0.003 pH uni t . $99 . Chemtr ix , Inc. 503-648-1434 4 2 8
Angular baseline corrector as an opt ion for the company 's 200-series integrators for gc is avai lable; operat ion of the standard baseline corrector bui l t into integrators is suspended dur ing the integrat ion of peaks. $300 . Also available as a plug-in opt ion for these integrators is a teletype decoder /cont ro l le r system. This system, useful for rout ine analyt ical work, promises a level of au tomat ic in tegrat ion comparable to high-powered compute r systems. In-fo t ron ics Corp. 512-454-3521 4 2 9
ALP-2 semiautomated system for all l iquid- l iquid extract ions is part icular ly sui table for use in drug-screening programs. The system provides suitable extracts in mass scale procedures for the detect ion of drugs of abuse, steroids, fa t soluble v i tamins , pesticides, and organic pol lu tants. A sample ext rac t ion stat ion and mul t ip le rotary evaporator compr ise the system which has been engineered fo r op t imum batch size so t ha t 50—70 dr ied extracts per hour can be provided for al l common lab procedures using t ic , glc, f luorom-etry, etc. $7377 . Cybertek, Inc. 516-822-4990 4 3 0
4 4 , NO. 3, MARCH 1972
'' * ,":' $ \k
BIORAD stocks DOWEX® ion exchange resins, anion and cation, in 44 types and bead sizes.
For immediate shipment! Need we say more? Only that BlO-RAD's AG« resins—the research standard of excellence— are also available for those applications requiring the highest chemical purity. For details on DOWEX and AG, send for our new complete catalog and price libt.
32nd & Griff in Ave. Richmond, Cal. 94804 (415) 234-4130
220 Maple Ave. Rockville Centre. NY 11570 (516)764-2575
ΓΙΡΠΡ OR OM PFAHFP ^FDVITF ΓΛΡΠ
BIO-RAD Laboratories
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