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Under different light conditions it can measure and analyse the gas evolved by water plants. The gas is circulated into a calibrated capillary tube, it is drawn into a plastic syringe and taken for further analysis. It consists of a white plastic panel (240 x 100 mm length x height) with miniature 3 way plastic tap, 2 syringes and a calibrated capillary tube approx.1mm bore. The specimen can be connected to the open end of the tube which is bent downwards. |
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