Quartz Cuvette.

A cuvette for spectrophotometric measurements is a small, clear rectangular vessel available in different materials, quality levels, and dimensions. Glass cuvettes are used for measurements in the visible range from 320 to 2500 nm.

Quartz cells provide more durability than plastic or glass. Quartz excels at transmitting UV light, and can be used for wavelengths ranging from 190 to 2500 nm.

Chemical Compatibility – The chemical structure of quartz is stronger than glass making it able to handle a bigger range of chemicals that would melt or damage a glass cuvette.

IR Quartz is great choice for cuvettes for UV VIS measurements. The transmission range is 220-3,500 nm so you get some of the UV, but you get a nice range in the IR as well. Sapphire is an amazing cuvette material. Sapphire is a super hard material making it damage resistant and very hard to scratch.