When quartz mortars beat agate for trace-metal sample prep — ICP-MS, geochemistry, semiconductor, pharma, forensic. 5 stock sizes $400-600, custom on 2-set MOQ.
When to spec quartz screw vials over borosilicate, plastic, or PFA — ICP-MS, UV-grade water, photoresist, autosampler use. 8 stock sizes 2-100 mL plus septum replenishment packs.
Selection and sizing guide for quartz combustion boats — TGA, LECO C/S/N analysers, tube-furnace pyrolysis, semiconductor, and battery cathode work. 34 SKUs, custom geometry on 2-piece MOQ.
A calcium fluoride (CaF₂) optical window is an alkali fluoride single-crystal window with high transmission from 130 nm (vacuum UV) to 9 µm (mid-IR), used in FTIR cells, ATR accessories, mid-IR laser optics, and X-ray spectroscopy where standard quartz becomes opaque above 3.5 µm and sapphire above 5 µm. CaF₂ is mechanically softer than quartz
A sapphire optical window is a single-crystal Al₂O₃ window with exceptional mechanical strength (compressive strength 2,000 MPa vs quartz 1,100 MPa), wide transmission range (170 nm to 5.5 µm), and chemical inertness — the standard choice for high-pressure cells (up to 2,000 bar), laser optics above 100 W/cm², high-temperature flow cells to 1,500 °C, and
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