Polarimeter Sample Cell
Glass sample cells with precise path lengths (10mm, 20mm, 50mm) for optical polarimeters (9027.50) measuring optical rotation. Features anti-reflective coatings and temperature control jackets for pharmaceutical sugar analysis. Classified as 9027.90.64.00 parts of optical polarimetry instruments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general laboratory glass cells not polarimeter-specific
Lab glassware without dedicated instrument function classified separately.
If for HPLC detector flow cells rather than polarimeters
Chromatography instrument parts have different subheading designation.
If marketed for multiple instrument types without specificity
Multi-use lab equipment parts fall under machines NESOI.
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Import Tips & Compliance
• Provide path length tolerance certificates (±0.01mm) proving suitability for quantitative polarimetry
• Include temperature jacket specifications if equipped, documenting integration with polarimeter systems
• Separate cells from complete polarimeter sets to avoid set classification under 9027.50
Related Products under HTS 9027.90.64.00
Spectrophotometer Quartz Cuvette
Precision quartz cuvettes designed for use in UV-Vis spectrophotometers of subheading 9027.30 to hold liquid samples during absorbance measurements. Made from high-purity quartz for optical transparency in UV range, these cuvettes are essential accessories for accurate spectroscopic analysis. Classified under 9027.90.64.00 as parts of optical analysis instruments.
Refractometer Prism Assembly
Sapphire prism assemblies for Abbe refractometers (9027.20) that measure refractive index through critical angle optics. These precision-ground prisms provide the optical interface for sample analysis in food, pharmaceutical, and chemical testing. Falls under 9027.90.64.00 as dedicated parts of optical refractometers.
Fluorometer Flow Cell
Quartz flow cells for fluorescence spectrophotometers (9027.30) with sub-micron path lengths for continuous sample analysis. Black-coated exteriors minimize stray light in sensitive fluorescence detection. 9027.90.64.00 classification for optical fluorometer accessories.
Colorimeter Calibration Filter Set
Certified colored glass filter sets for colorimeter (9027.30) wavelength and absorbance calibration per NIST standards. Filters at 436nm, 546nm, 660nm ensure instrument accuracy for water quality testing. Parts of optical analysis instruments under 9027.90.64.00.
Turbidimeter Light Shield Assembly
Black Delrin light shield assemblies for nephelometric turbidimeters (9027.30 optical type) preventing ambient light interference. Precision alignment features ensure LED light path integrity. Classified 9027.90.64.00 as optical instrument accessories.
Photometer Lamp Housing
Precision aluminum housings for tungsten-halogen lamps in clinical photometers (9027.30), featuring heat dissipation fins and optical alignment ports. Ensures stable light source for biochemical analysis. 9027.90.64.00 parts of optical analyzers.