HPLC Detector Flow Cell Assemblies
Quartz flow cells with integrated electrical sensors for UV-Vis detectors in HPLC systems of subheading 9027.50.10. These components measure light absorbance during chromatographic analysis with high precision. Classified under 9027.90.56.40 as electrical accessories essential for chemical analysis functionality.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically for 9027.20 gas chromatographs
Parts dedicated to gas analysis instruments of 9027.20 have separate statistical breakout.
If entered solely as laboratory glassware
Quartz components without proven instrument dedication may classify under laboratory glass articles.
If primarily electrical sensors without optical function
Sensor assemblies emphasizing electrical characteristics over analytical function shift to Chapter 85.
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Import Tips & Compliance
• Provide optical path length specifications and material certificates (quartz/glass) for proper HTS verification
• Label shipments clearly as 'HPLC detector parts' with model compatibility to prevent misclassification as general glassware
• Include calibration certificates to demonstrate precision instrument status during customs inspection
Related Products under HTS 9027.90.56.40
Chromatography Column Replacement Parts
Precision-engineered replacement columns and fittings specifically designed for High Performance Liquid Chromatography (HPLC) systems classified under 9027.50.10. These parts ensure accurate separation and analysis of chemical compounds in laboratory settings. They fall under HTS 9027.90.56.40 as electrical parts and accessories of subheading 9027.50.10 instruments.
Electrode Cartridges for pH Chromatography Modules
Replaceable electrode cartridges with reference and measuring electrodes for inline pH monitoring in HPLC systems (9027.50.10). These electrical components provide real-time conductivity and pH data during chemical separation processes. Falls under 9027.90.56.40 as specialized electrical parts for physical/chemical analysis apparatus.
Temperature Control Sensors for HPLC Columns
Thermocouple sensor arrays with electrical interfaces for precise temperature regulation of HPLC columns in 9027.50.10 systems. These maintain optimal separation conditions during chemical analysis. Classified as 9027.90.56.40 electrical parts essential to instrument performance.
Conductivity Cell Modules for HPLC Detectors
Platinum electrode conductivity cells with electronic signal conditioning for HPLC conductivity detectors (9027.50.10). Used for ionic compound detection in chemical analysis workflows. HTS 9027.90.56.40 covers these electrical detector accessories.
HPLC Autosampler Syringe Pumps
Precision electrical syringe drive mechanisms for automated sample injection in 9027.50.10 HPLC autosamplers. These stepper motor-driven pumps ensure reproducible sample volumes for accurate analysis. Classified under 9027.90.56.40 as electrical instrument parts.
UV Lamp Housings for HPLC Detectors
Electrical housings with deuterium lamp ballasts and igniters for HPLC UV detectors of subheading 9027.50.10. Provide stable light sources for absorbance measurements in chromatography. HTS 9027.90.56.40 designation for these electrical light source accessories.