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川端酰化催化剂
一次性过滤器、低吸附 CA醋酸纤维素针头式过滤器
CRYO BOXES 136 X 136 MM, REPELLENT
PTFE-KEYS WITH THREAD, BORE 2 MM, NS 13.5, TAPER 1:5 AND THREE PART RETAINING DEVICE
LICHROSORB SI60 SILICA 10UM 250X4MM COLUMN
PEEK CAP.CONN.1XM6 1/16 IN/0.75MM:VA
Yttrium 1,000 mg/L in 2% HNO3, 50 mL (Y2O3)
多氯联苯 (Aroclor 1254)标样
海绵钯（Pd：5%）
BIOBASIC SCX 5UM 150X3MM COLUMN
