57012Supelclean LC-18 固相萃取小柱

¥1060.71

504270Supelclean LC-18 固相萃取小柱

¥2060.98

57114Supelclean ENVI-18固相萃取小柱

¥1350

505471Supelco Supelclean LC-18 固相萃取

¥1185.4

Supelclean LC-18固相萃取柱

¥200

57064Supelco Supelclean ENVI-18 固相萃

¥面议

505706Supelco Supelclean ENVI-18 固相

¥1163.96

57114Supelco Supelclean ENVI-18 固相萃

¥1279.62

GH-cleanext-SPE-C18残留量的测定，样品处理推荐固相萃

¥面议

54335-USupelclean LC-Si SPE小柱(玻璃管)s

¥面议

57051 Supelco正相硅胶固相萃取小柱（SupelcleanL

¥927

54333-USupelclean LC-Florisil SPE小柱

¥面议