| 分子式 | C12H8Br2 |
22'33'44'55'66'十氯联苯
编号:C20020900 CAS号:2051-24-3 规格:10mg
2种氘代PCB混标(HJ715-2014内标)
编号:CDAA-M-369003-HA-1ml 规格:1mL 浓度:100mg/L
2种氘代PCB混标HJ7152014替代物
编号:CDAA-M-369004-HA-1ml 规格:1mL 浓度:100mg/L
12种PCB混标 标准品
编号:CDGG-132581-04-5PAK 规格:10 mg/L于环己烷, 5×1 mL
2种内标物混标(HJ744-2015)
编号:CDAA-M-690064-HD-1ml 规格:1ml 浓度:1000mg/L
甲醇中多氯联苯Aroclor 1221
编号:90025IA CAS号:11104-28-2 规格:1mL 浓度:200μg/mL