产品介绍：
| Decachlorobiphenyl | PCB No.209 | 2051-24-3 | 20 ng/mL |
| Tetrachloro-meta-xylene | 2,4,5,6-四氯间二甲苯 | 877-09-8 | 20 ng/mL |
| Toxaphene | 毒杀芬 | 8001-35-2 | 500 ng/mL |
| |
| Decachlorobiphenyl | PCB No.209 | 2051-24-3 | 20 ng/mL |
| Tetrachloro-meta-xylene | 2,4,5,6-四氯间二甲苯 | 877-09-8 | 20 ng/mL |
| Toxaphene | 毒杀芬 | 8001-35-2 | 500 ng/mL |
