Mass Spectrometer Interface Kit for GC
Transfer line and heater kit connecting gas chromatographs (9027.20.50) to mass spectrometers for combined GC-MS analysis. Maintains sample integrity during ionization transition. Classified in 9027.90.5625 as accessory principally for these chemical analysis instruments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as spectroscopy apparatus part
Spectrometers have separate provisions; depends on principal component.
If lab heating/cooling components
Laboratory equipment parts if not exclusively for chromatographic analysis.
If pressure-regulating valves included
Other appliances if valve function predominates over interface role.
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Import Tips & Compliance
• Document compatibility with both GC and MS models to justify Chapter 90 classification
• Include vacuum/pressure specs distinguishing from general tubing
Related Products under HTS 9027.90.56.25
GC Oven Fan Motor
Precision fan motor circulating air in chromatography oven columns for uniform heating in 9027.20.50 instruments. Electrical accessory essential for temperature accuracy. Under 9027.90.5625 classification.
Split/Splitless Injector Body
Machined stainless steel injector body for GC split/splitless modes in 9027.20.50 apparatus, housing septum and liner. Electrical heater mount included. Principal part classified in 9027.90.5625.
Chromatography Oven Temperature Sensor
This temperature sensor is a replacement part specifically designed for gas chromatography ovens used in chemical analysis instruments classified under HTS 9027.20.50. It measures and maintains precise temperatures essential for chromatographic separations. As a dedicated accessory for these electrical analytical apparatus, it falls under 9027.90.5625 per Chapter 90 classification rules for parts.
GC Injection Port Liner
A consumable quartz liner for the injection port of gas chromatographs (HTS 9027.20.50), essential for sample vaporization in chemical analysis. Made of high-purity materials to prevent contamination during analysis. Classified as a part under 9027.90.5625 due to its exclusive use in these electrical analytical instruments.
Gas Chromatograph Column Heater Module
Modular heating element for maintaining temperature gradients in GC capillary columns, integral to instruments of subheading 9027.20.50. Ensures reproducible separation results in physical/chemical analysis. Falls under 9027.90.5625 as an electrical part principally used with these apparatus.
GC Detector Flame Ionization Filament
Replacement igniter filament for FID detectors in gas chromatographs of HTS 9027.20.50, critical for organic compound detection via ionization. Electrical component dedicated to chemical analysis apparatus. Covered by 9027.90.5625 parts provision.