Interchangeable aluminum heating blocks provide excellent thermal conductivity and accommodate various test tubes, cups, and plates. Depending on the combination of blocks selected, plastic spacers can be used to fill a half-width recess, ensuring optimal thermal performance. Most blocks come with a separate hole to accept a thermometer.
As sample is heated, gas flows through patented gas chamber through hypodermic needles on to the surface of the test solution, providing for rapid evaporation and concentration.
As sample is heated, gas flows through patent
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