Fused Quartz Melting Point Tube
Capillary tube of fused silica for determining melting points in organic chemistry laboratories. Classified HTS 7017.10.60.00 as other pharmaceutical glassware of fused quartz, calibrated for precise temp observation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If calibrated tubes of other glass
Non-quartz calibrated items have own subheading.
If drawn glass tubes unfinished
Pre-calibrated tubes in earlier headings.
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Import Tips & Compliance
• Specify ID/OD tolerances critical for lab function
• Avoid sets with apparatus; individual tubes stay glassware
Related Products under HTS 7017.10.60.00
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Protective fused quartz jacket for pH electrodes in harsh lab environments. Under HTS 7017.10.60.00 as other hygienic/pharmaceutical glassware of fused silica.
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Precision cell for bomb calorimetry of fuels and organics in research labs. Other lab glassware of fused quartz per HTS 7017.10.60.00.
Quartz Cuvette for Spectrophotometry
Precision rectangular cell of fused quartz with optical-grade windows for UV-Vis spectroscopy in analytical labs. HTS 7017.10.60.00 covers this as other fused silica laboratory glassware, valued for 200nm UV transparency. Often calibrated for path length accuracy.
Fused Quartz Distillation Apparatus
Laboratory-scale distillation setup including condenser and receiver made from fused silica for ultra-pure separations. Falls under HTS 7017.10.60.00 as other fused quartz lab glassware, retaining heading 7017 character per chapter notes regardless of article form.