Drum key (PE) for opening/closing containerswith 2" or 3/4" screw capsmade of plastic materials

Catholyte K for Coulometry

Chromolith^® WP 300 RP-8 100-4.6 HPLC column

Iron Test Refill pack

Total Hardness Test in freshwater

聚苯乙烯标准品 ReadyCal 套装 M_p ~350-2′500′000, Polystyrene standard ReadyCal set M_p ~350-2′500′000

Analtech TLC Uniplates^TM: silica gel matrix

Analtech TLC Uniplates^TM：硅胶填料

Decapper

启盖器

EZSafe^® flash-chromatography column with reservoir

带贮存器的 EZSafe^® 层析色谱柱

Michel-Miller chromatography column

Michel-Miller 色谱柱

含F254指示剂TLC板, TLC Glass Plates