Chromatograph Column Assembly
A replacement column assembly for gas chromatographs used in chemical analysis of samples. It is a part specifically designed for instruments of subheading 9027.30, which covers spectrometers and similar apparatus. This column assembly is classified under tariff item 9027.90.00 as a part of analysis instruments.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| π¨π³China | Free | β | Free |
| π²π½Mexico | Free | β | Free |
| πΊπΈUnited States | Free | β | Free |
| π©πͺGermany | Free | β | Free |
| π―π΅Japan | Free | β | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the column assembly is imported as part of a complete gas chromatograph
Parts presented with the complete instrument are classified with that instrument.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β and can price the duty on it in the same conversation.
Import Tips & Compliance
β’ Classify the column assembly as a part of a gas chromatograph, providing the model of the instrument it is designed for
β’ Ensure the column is not classified as a general glass or metal article
β’ If the column is imported with the chromatograph, it may be classified as part of the complete instrument
Related Products under Tariff item 9027.90.00
Boulder Ultramicrotome for Electron Microscopy
The Boulder Ultramicrotome is a precision instrument designed for ultrathin sectioning of specimens for transmission electron microscopy. It uses diamond knives to produce sections in the 50nm to 5ΞΌm range, essential for cell biology and virology research. This falls under tariff item 9027.90.00 as a microtome, specifically a type of ultramicrotome.
Buffer Circulation Pump Adapter
The Buffer Circulation Pump Adapter is a plastic adapter connecting external peristaltic pumps to electrophoresis tank ports for continuous buffer flow. It is designed for basic electrophoresis systems. This is a part or accessory for electrophoresis instruments, falling under tariff item 9027.90.00 as a part of microtomes or similar instruments.
Combs for Gel Electrophoresis Wells
Combs for Gel Electrophoresis Wells are shark-tooth and standard Teflon combs used for creating sample loading wells in agarose and acrylamide gels. They are compatible with Mini-Gel systems and lack measuring features. These are accessories for electrophoresis instruments, falling under tariff item 9027.90.00.
Combustion Analyzer Oxygen Sensor PCB
A signal conditioning printed circuit board for zirconia oxygen sensors used in combustion efficiency analyzers. It manages reference air pump control, thermocouple compensation, and lambda calculation for accurate emission measurements. This dedicated electrical assembly is a part of instruments for physical or chemical analysis under tariff item 9027.90.00.
Electrophoresis Cooling Plate
The Electrophoresis Cooling Plate is an aluminum heat dissipation plate for maintaining temperature control in high-voltage electrophoresis runs. It fits standard tank bottoms and is for instruments without integrated optical detection. This is a part for electrophoresis instruments, classified under tariff item 9027.90.00.
Electrophoresis Electrode Assembly
The Electrophoresis Electrode Assembly is a platinum wire electrode pair with insulated leads for submerged gel electrophoresis tanks, providing uniform current distribution. It is for non-optical instruments. This is a part for electrophoresis instruments, falling under tariff item 9027.90.00.