Lithium

抗坏血酸, Ascorbic acid

过氧化物, Peroxide

光学助熔剂100B, Spectroflux 100B

仪表校正(ICAL)标准试剂盒, Instrument Calibration(ICAL) Standards Kit

土地和废水污染标准溶液2, Ground & Waste Water Pollution 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 disk

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

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