Spectrophotometer Quartz Cuvette Holder
This precision-machined holder is designed specifically for securing quartz cuvettes in UV-Vis spectrophotometers used for chemical analysis of liquids. It falls under HTS 9027.90.56.95 as an electrical part and accessory for instruments of subheading 9027.50 (chromatographs and spectrophotometers). The holder ensures accurate light path alignment during absorbance measurements.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-electrical spectrophotometers
Parts for non-electrical instruments of 9027.50 classify under the mechanical parts subheading, separate from electrical accessories.
If entered as laboratory glassware without holder function
Quartz cuvettes alone (without mounting hardware) fall under laboratory glass articles, excluding assembled instrument parts.
If suitable for multiple instrument types beyond Chapter 90 specifics
Per Chapter 90 note 2(c), parts not principally for particular Chapter 90/84/85 instruments default to general parts heading 9033.
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Import Tips & Compliance
• Verify compatibility with specific spectrophotometer models from subheadings 9027.50; ensure electrical safety certifications like CE or UL for lab use; declare as lab instrument part to avoid misclassification as general glassware
Related Products under HTS 9027.90.56.95
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A replaceable glass liner with integrated heating element for the injection port of gas chromatographs (GC), used in physical/chemical sample analysis. Classified under HTS 9027.90.56.95 as an electrical accessory for 9027.20 gas analysis apparatus. It vaporizes samples precisely for separation and detection.
pH Meter Glass Electrode Assembly
Combined glass membrane electrode with electrical connector for digital pH meters used in chemical analysis of solutions. This electrical part for subheading 9027.80 instruments (other gas/liquid analysis) fits HTS 9027.90.56.95. It measures hydrogen ion activity via electrical signal.
Viscometer Electrical Torque Sensor
Digital torque sensor module for rotational viscometers that measure fluid viscosity via electrical detection of rotational resistance. As an electrical part for 9027.80 viscosity-checking apparatus, it is under HTS 9027.90.56.95.
Spectrometer Photomultiplier Tube Module
High-sensitivity PMT module with electrical amplification for detecting low-light photons in emission spectrometers (9027.50). This electrical accessory for chemical analysis instruments classifies in HTS 9027.90.56.95.
Smoke Analyzer Electrical Filter Holder
Electrically actuated holder for particulate filters in smoke/gas analysis apparatus (9027.20), enabling automated sampling cycles. Fits HTS 9027.90.56.95 as electrical accessory for subheading 9027.20.
Chromatograph UV Detector Lamp Assembly
Deuterium lamp with electrical ballast for UV detectors in HPLC systems (9027.50), used for compound identification via absorbance. Electrical part under HTS 9027.90.56.95.