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11种元素ICP-MS混标,Mg/Cu/Ir/Cd/In/Ba/Ce/Pb/U/Be/Co/Rh,10μg/L溶于1% HNO3
PEI Cellulose F TLC薄板
SCISSORS, BENT, FOR MICROSCOPIC WORK, WITH ROUNDED UP SHANKS
WIDE PORE C18 5UM 10CMX4.6MM DISCOVERY &
2mL塑料白色样品瓶架
3-氟-5-(三氟甲基)苯酚
Hibar 250-10,Aluspher 100 RP-select b 5μm定制柱
DIGITAL STOPWATCH
容量瓶,BLAUBRAND , A级,25 ml,宽颈,Boro 3.3, NS 12/21 玻璃瓶塞,个体校准证书
SILICA SG120 (S-5) 4.0×10(2P)