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.... It is a disposable sampling tube, gas sampling tube (DNPH column), using ultra pure DNPH coated spherical silica gel as adsorbent, with the advantages of fast flow rate, good adsorption, high recovery rate...
... steel Pillar 178*162*5mm thickness steel column Door & Window plastic-steel sliding window, white color Fittings Toilet, paper holder, shower, towel, basin with mirror and cabinet, Seal strip, silica gel pl...
... steel Pillar 178*162*5mm thickness steel column Door & Window plastic-steel sliding window, white color Fittings Toilet, paper holder, shower, towel, basin with mirror and cabinet, Seal strip, silica gel pl...
... air filtration and other parts. When it entering the sub-zero refrigerator, most of the water vapor is condensed into ice water, this is the fist time air drying. then go to the silica gel column to carry o...