规格:全部0.25g1.2mL1.2mL(100 ug/mL in nonane)1.2mL(200 ug/mL in isooctane)1000g100g100mL100mg100mg/瓶100ug100μg10g10mg10mg/瓶10mm*1mL1L1g1kg1mL1mL/瓶1mg2.5g2.5kg2.5mg200mg20mg2500mg250g250mL250mg250ug250μg25g25mL25mg2g2mg500g500mL500mg500μg50g50mg50ug50μg5g5mL5mg