| 摘要 |
1,195,111. Colorimetric flow cells. TECHNICON CORP. July 26, 1967 [Aug. 18, 1966], No. 34198/67. Heading G2J. A colorimeter flow cell comprises a tube, Fig. 3, having a liquid inlet (12), Fig. 1 (not shown) and outlet (14) spaced from each other longitudinally of the tube, a light reflective coating 20 on the peripheral surface of the tube intermediate the liquid inlet and outlet, and a light inlet 16 and light outlet 18 in peripherally spaced relationship, but not in diametrical alignment, within the area of the reflective coating 20. As shown the coating 20 is of silver on the outer surface of the tube, protected by a nitro-cellulose coating 22 and cut away to form the light inlet 16 and outlet 18. In a modification, the light reflective coating is on the inner surface of the tube and is protected by a coating of polytetrafluoroethylene. |
