What is "chromatograph"

Usage examples of "chromatograph".

They had a gas chromatograph, sort of a cheapie, and some other analytical machines, and they had one very odd piece of work, up against a wall, called a Dolmacher.

When the cocaine decays, its chief metabolic product is benzyl ecognine, which is what the lab found in its gas chromatograph analyzer this afternoon.

When the cocaine decays, its chief metabolic product is benzyl ecognine which is what the lab found in its gas chromatograph analyser this afternoon.

Rhyme ordered a deputy who was wheeling a battered gas chromatograph into the corner.

He just nodded uneasily and with the grace of a bison walked over to the chromatograph and began studying the control panel.

There are a half-dozen variations on the process but the most common type used in forensic science is the gas chromatograph, which burns a sample of evidence.

In a forensic science lab the chromatograph is usually connected to a mass spectrometer, which can identify many of the substances specifically.

The gas chromatograph will only work with materials that can be vaporized - burned - at relatively low temperatures.

The chromatograph rumbled and everyone in the room remained still, waiting for the results.

The gas chromatograph which separates out volatile substances and the mass spectrometer which detects ions were divided by a palladium separator.

Chen would identify the substance by cooking it through a gas chromatograph, a process which took six hours.

Wesley and I spent the rest of the afternoon in the Materials Analysis Unit, with its gas chromatographs, mass spectrometers, differential scanning calorimeters, and other intimidating instruments for determining materials and melting points.

I wish also to thank Bibb Graves from Hewlett Packard Houston for a description of gas chromatographs, which register the strength and composition of pheromones.

But then most current gas chromatographs (GCs) have altered considerably from their original forms, and no doubt will have altered even more by the time of The Tower and the Hive.

In the laboratories of LeFever, there were spectrometers, gas liquid chromatographs, nuclear magnetic scanners, and other instruments, rapid and precise, with which to analyze and test aromatic substances, but since the worth of a fragrance depends upon its effect on the nose, scientific instrumentation could never hope to replace the sniffing snout of flesh as the final arbiter of fragrance value, and, by general agreement, Marcel's nose was the finest in the business.