ANALYTICAL
CHEMISTRY
PRODUCT CAPSULES
For your convenience —short "refreshers" on last month's ads. Obtain free information on any of the products or services described by circling the corresponding key numbers in the "Product Capsules" portion of the reply card preceding this section.
Acetic Anhydride. High specific activity titrated chemical. 105
Analyzers. Unit detects, continually records proteins. Brochure. 203
Balances. Electrobalances accurate to 0.001 mg. Technical Data. 201
Acids. Data on C.P. nitric acid packaged in expanded polystyrene case. 52
Analyzers. Unit detects, records acidity and alkalinity. Brochure. 204
Balances. Moisture unit can be read directly and continuously. 149
Amplifiers. Amplifier-analyzer for any scintillation counting technique. 50
Analyzers. Rapid, compact unit for spectrochemical applications. 209
Balances. 1-pan unit. Capacity: 800 gms. Precision: ±0.03 g. 101
Atom Reader. Compact unit provides complete chemical analysis in seconds.
Analyzers. Unit analyzes and records 1 to 6 gas constituents. 64
Balances. Ultramicro unit. ity: 1 / 2 (i t h microgram.
133
Analyzers. Kit and brochure on phosphate analyzer. 137
HIGH PERFORMANCE
Analyzers. Unit detects, continually, records silica to 0.001 p.p.m. 162 Analyzers. Unit detects, continually records iron to 0.001 p.p.m. 161
MODEL 15A
GAS CHROMATOGRAPH
Analyzers. Unit detects, continually records copper to 0.005 p.p.m. 166 Analyzers. New amino acid unit with stream splitting system. 164 Analyzers. Bulletin on strip chart polarographic unit. 104 Analyzers. Counts, classifies 1000 particles in under 15 minutes. 28 Analyzers. Transistorized multichannel unit for pulse or time measurements. 136
Analyzers. New ultra-microspectrophotometer provides automated quantitation. 65 Analyzers. Automatic. For water hardness, phosphates, residual chlorine. 150
priced from $680 YOUR BEST C H O I C E IN G A S C H R O M A T O G R A P H Y • Wide temperature range, to 300°C. To 350°C at small extra cost. • Highest performance, with choice of 2 or 4 element filament detectors, or thermistor detectors. • Extremely stable — either manual temperature control or automatic electronic temperature control. ' Reproducible sampling with precision gas sample valve. ' Programmed column attachment. • Prefractionation, pre-concentration, column switching. • Two column series system. • Independently controlled boost heaters for injection block and sample outlet fittings. • Highest quality construction, low maintenance. W R I T E FOR A D D I T I O N A L
Analyzers. Data on new multichannel x-ray polychromator. 49
INFORMATION.
LOENCO 2092
Analyzers. Unit detects, continually records phosphate to 0.001 p.p.m. 2 0 2
Sensitiv102
NORTH
LINCOLN
LOE ENGINEERING COMPANY AVENUE, ALTADENA, CALIFORNIA
Circle No. 92 on Readers' Service Card
VOL. 33, NO. 1, JANUARY 1961
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