Water analysis specialist Palintest Ltd has introduced a new, high capability, multi-tube heater block. The block is ideal for chemical oxygen demand (COD) reactions and enables Palintest to offer economical COD test kits for use with its Tubetest® system. These include heater block, test tube rack, photometer adaptor and micropipettor.
The heater block is a microprocessor controlled incubator with a dual LED display. Its multi-tube block offers significant advantages in space saving and power consumption over the traditional method. Temperature is settable from 30ºC to 200ºC with timer control. It offers rapid heat up rate within 15 minutes from ambient to 100ºC, and features stability, uniformity and accuracy of 1ºC.
The Palintest Tubetest® system offers a simple, quick, and convenient method of testing COD which conforms to the ISO standard on sealed-tube COD testing (BS ISO 15705:2002). A sample is added to a Tubetest® tube, it is digested for two hours at 150ºC, cooled and the test colour measured using a Palintest photometer.
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