Spectrophotometer Quartz Cuvette Holder
Precision-machined holder designed specifically for securing quartz cuvettes in UV-Vis spectrophotometers classified under HTS 9027.30.40. It ensures accurate alignment and positioning for reliable absorbance measurements across wavelengths. This accessory falls under 9027.90.56.30 as a dedicated part for these electrical analytical instruments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used with non-electrical spectrometers under different subheadings
Parts for non-electrical instruments of this chapter classify under the general 'other' parts category.
If made of injection-molded plastic without precision tolerances
Basic plastic lab articles not dedicated to specific chapter 90 instruments fall under plastic goods.
If sold as part of a complete laboratory machine set
Machines with unlisted functions and their dedicated parts go to the general machinery parts heading.
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Import Tips & Compliance
• Verify compatibility certification with specific 9027.30.40 spectrophotometer models to avoid misclassification as general labware
• Include detailed technical specs and OEM part numbers in import documentation to prove principal use with covered instruments
• Watch for anti-dumping duties on precision optical components from certain Asian manufacturers
Related Products under HTS 9027.90.56.30
Electrode Assembly for pH/Conductivity Meter
Replaceable electrode module with glass membrane and reference junction for electrical spectrometers and ion analyzers under 9027.30.40. Provides precise measurement of hydrogen ion concentration and electrical conductivity in solutions. Classified here as an essential electrical part integral to the instrument's function.
Fiber Optic Probe for Raman Spectrometer
High-performance fiber optic probe with sapphire ball lens for remote sampling in Raman spectrometers (9027.30.40). Transmits laser excitation and collects scattered light for non-destructive molecular analysis. This specialized accessory qualifies under 9027.90.56.30 due to its principal use with covered electrical apparatus.
Sample Changer Carousel for Atomic Absorption Spectrometer
Automated 50-position sample carousel with stepper motor drive for atomic absorption spectrometers under 9027.30.40. Enables high-throughput analysis of trace metal concentrations in liquids. Falls under this HTS as an electrical part dedicated to the specified instruments.
Detector Module for FTIR Spectrometer
DTGS pyroelectric detector module with preamplifier for Fourier Transform Infrared spectrometers (9027.30.40). Converts IR radiation to electrical signal for spectral analysis. Classified as an electrical part under 9027.90.56.30 for these specific analytical instruments.
Tungsten Lamp Housing for UV-Vis Spectrophotometer
Precision-aligned deuterium/tungsten lamp housing assembly for UV-Vis spectrophotometers of 9027.30.40. Provides stable light source for quantitative analysis from 190-1100nm. This electrical component qualifies under 9027.90.56.30 as a dedicated instrument part.
Gas Cell Assembly for FTIR Gas Analyzer
10cm pathlength gas cell with ZnSe windows and gold-coated mirrors for FTIR gas spectrometers under 9027.30.40. Enables quantitative infrared analysis of gas mixtures. Classified here as a critical optical/electrical part for covered instruments.