Colorimetric Tube, with Glass Stopper
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Colorimetric Tube, with Glass Stopper
Product Overview Our glass colorimetric tubes are essential specialized laboratory instruments designed for visual colorimetric analysis and rough solution concentration measurement in chemical experiments. Each colorimetric tube is equipped with a premium frosted hollow glass stopper, which supports tight sealing. Users can further seal and store standard color scales with paraffin wax for long-term preservation without solution leakage or contamination. Different from ordinary test tubes, this dedicated color comparison glassware features thin, clear tube walls to guarantee excellent light transmittance, enabling accurate naked-eye color difference observation. It adopts the standard color scale comparison method to realize fast semi-quantitative analysis. Available in single units, 6-tube sets and 12-tube sets to meet diverse experimental and batch testing demands for multiple industries. Core Features - Premium Frosted Glass Stopper: Matched with a high-precision frosted hollow glass stopper for airtight sealing; compatible with paraffin wax sealing to store standard color scales and volatile reagents safely. - Superior Light Transmittance: Adopts high-quality clear glass material with smooth inner and outer walls, ensuring unobstructed light transmission to deliver accurate color comparison results. - Professional Colorimetric Design: Specially engineered for visual colorimetric experiments, ideal for intuitively judging solution concentration by comparing color shades between sample and standard solutions. - Flexible Purchase Options: Multiple packaging forms including single tube, 6-piece set and 12-piece set, perfectly suitable for small-scale experiments and batch industrial detection. - Wide Industry Compatibility: Applicable for rapid quantitative analysis across various professional institutions, serving as a must-have tool for routine colorimetric testing. How It Works The colorimetric tube realizes concentration detection through the visual color comparison method. Place the sample solution and the standard solution into two identical-specification colorimetric tubes respectively. Put both tubes on a white background under consistent lighting conditions, then observe and compare the color difference with naked eyes to roughly determine the concentration of the tested sample solution. This method is simple, efficient and cost-effective for rapid on-site & laboratory quantitative analysis. Important Precautions - Prohibition of Heating: Colorimetric tubes are functionally different from test tubes. DO NOT heat the product in any case to avoid tube cracking and permanent damage. - Careful Handling: The tube wall is thinner than ordinary glassware; please handle it gently during use, transportation and cleaning to prevent breakage. - Correct Cleaning Method: Never use stiff brushes to scrub the tube interior. Scratches on the inner wall will reduce light transmittance and directly affect the accuracy of color comparison experiments. - Unified Experimental Standard: Use colorimetric tubes of the exact same specifications for one single colorimetric test. Only compare two tubes at one time and keep the lighting environment identical to eliminate testing errors. Wide Applications Our glass colorimetric tubes are widely adopted for rapid colorimetric quantitative analysis, commonly used in metallurgical & steel enterprises, geological exploration agencies, environmental protection monitoring stations, healthcare institutions, disease control centers, chemical laboratories and university teaching labs. It covers water quality testing, reagent concentration analysis, mineral component detection and other related testing scenarios.
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