TCLP标准溶液2, TCLP Standard Solution 2

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

氟化钙晶体光学盘, Calcium fluoride crystal optic disc

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

氟化钙晶体光学长方体, Calcium fluoride crystal optic rectangle

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

4毫米模组, 4mm Die Set for KBr Quick Press Kit

一次性红外光谱片, Disposable IR cards