Suppose we make a new compound containing of C,H, and N We probably know what it was we were trying to make That doesn’t mean we succeeded We must have evidence that the compound we made is what we wanted.
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The PE 2400 is a conventional elemental analyzer. It operates by flash combustion of the specimen encapsulated in tin cups or disks whereby the specimen is completely combusted at a temperature of 1760 °C. The resulting gases are chemically scrubbed of the halogens (and of sulfur in the CHN mode) and are separated in a GC column. Detection is conducted by a thermal conductivity detector (TCD). Total C, H, and N are calculated with a precision of 0.1µg. Element ratios are more significant since they minimize instrument error. Molar element ratios may be reliably reported for up to three decimal places.