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

晶体抛光组件, Crystal Polishing Kit

玛瑙研钵和棒, Agate Mortar and Pestle

球杵; 清树脂玻璃; 3/8 直径meter, Ball pestle; clear plexiglas; 3/8" diameter

大容量管, Large Sample Tubes

美国标准分子筛, USA Standard Sieve

美国标准筛网, USA Standard Sieve

美国标准分子筛, USA Standard Sieve

Al-23管(一端封口);外径 (mm), Al-23 Tube (one end closed);OD (mm)