溴化钾晶体光学盘, Potassium bromide crystal optic disc

氯化银晶体光学片, Silver chloride crystal optic disc

氯化钠晶体光学盘, Sodium chloride crystal optic disc

溴化钾晶体光学长方体块, Potassium bromide crystal optic rectangle

氯化钠晶体光学长方体块, Sodium chloride crystal optic rectangle

2毫米模组, 2mm Die Set for KBr Quick Press Kit

一次性红外光谱片, Disposable IR cards

微孔样品管, Thin-Bore Sample Tube

USA标准分子筛, USA Standard Sieve

美国标准分子筛, USA Standard Sieve