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6 mm - Cyano - SS Column w/ Fingertight Fittings
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(1) Magnetic Film Holder
—Water Environment Monitoring: TN/TP/NH3-N/CHLA parameter monitoring and water quality assessment
Standard Whiteboard / Blackboard motorized-iris 6 mm - Cyano -Standard Reflective White Board Barium sulfate coating reflectivity: >98% (380~780nm), reflectivity in other bands >88%, diameter 30mm Polytetrafluoroethylene coating reflectivity: >93% (380~780nm), reflectivity in other bands >90%, diameter 30mm Standard Reflective Black Board Diameter: 30mm Reflective wavelength range: 380nm~780nm Reflectivity: <5%
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