Pathlength: classic ambient-temperature: 20 mm for absorbance, 10 mm for fluorescence; low-temperature fluorescence: 4 mm; low-temperature absorbance: 10 mm
驱动注射器：SGE?玻璃注射器或低温注射器
阀材质：陶瓷 (fired sapphire)
管路：阀至观察室Tefzel?或不锈钢；观察室至废液注射器: Teflon?.
观察室：石英（吸收及荧光）,不锈钢 for low-temperature model.
Syringe extenders: PEEK? (polyetheretherketone), a polymer inert to almost all organic solvents.
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