光学助熔剂100B, Spectroflux 100B

光学助熔剂161, Spectroflux 161

连续校准确认(CCV)标准试剂盒, Continuing Calibration Verification (CCV) Standards Kit

土地和废水污染标准溶液1, Ground & Waste Water Pollution Standard Solution 1

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

氟化钡晶体光学盘, Barium fluoride crystal optic disc

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