带螺杆pH计, Checker pH Meter with screw-type

氰离子, Cyanide

钾离子, Potassium

硝酸钯, Palladium nitrate

光学助熔剂110A, Spectroflux 110A

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

多元素QC-7检测标准溶液, Multi-Element QC-7 Check Standard Solution

地面和废水污染标准溶液5, Ground & Waste Water Pollution Standard Solution 5

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

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