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2,2',3,5',6-戊氯联苯(标准品) C-095S-TP1mLAccuStandard
2-灭草隆(标准品) P-633S1mLAccuStandard
2,3',4,4',5',6-六溴联苯醚(标准品) BDE-168S1mLAccuStandard
2,2',3',4,5-五氯联苯(标准品) C-097S-TP1mLAccuStandard
2,2',4,6'-四氯联苯(标准品) C-051S-TP1mLAccuStandard
2,2',3,3',5,6-六氯联苯(标准品) C-134S-TP1mLAccuStandard
2,4 - 二氯甲基酯(标准品) M-515-SS1mLAccuStandard
2,4,5-涕丙酸-2-乙基己基酯(标准品) P-728S1mLAccuStandard
2-羟基去乙基莠去津(标准品) P-544S1mlAccuStandard
2 - 异丙基氨基-4,6 - 二氯-S-三嗪(标准品) P-635NB-100100mgAccuStandard
#2 柴油 (25%风化)(标准品) FD2-W25-R1-10X1mLAccuStandard
2,6-二氨基吡啶(标准品) DYE-103S1mLAccuStandard
2,2',3,3',5-五溴联苯醚(标准品) BDE-083S1mLAccuStandard
2,4-二氯苯氧乙酸甲酯(标准品) M-8150-011mLAccuStandard
2,4-二氯苯基-3-甲基-4-硝基苯基醚(标准品) E-020S1mLAccuStandard
2-甲氧基-2',5,5'-三氯联苯(标准品) MOPCB-3002S1mLAccuStandard
2,4,4',6-四氯联苯(标准品) C-075S1mLAccuStandard
2,2',3,5,5',6-六氯联苯(标准品) C-151S-TP1mLAccuStandard
25种SVOC(标准品) M-525-REG-EA-5X1mLAccuStandard
2-甲-4-氯苯氧基乙酸甲酯(标准品) P-038N10mgAccuStandard
,2'-二羟基联苯(标准品) HBP-004S1mLAccuStandard
2,2',3,3',4,6,6'-七氯联苯(标准品) C-176S-TP1mLAccuStandard
2,4-滴丁酸甲酯(标准品) P-228NB-250250mgAccuStandard
2,3-二氯二恶英(标准品) D-202S1mLAccuStandard
2,8-二氯二苯并-对-二恶英(标准品) D-204S1mLAccuStandard
2,2',3,3',4,4',6-七氯联苯(标准品) C-171S-TP1mLAccuStandard
2.4.6-三溴苯酚(标准品) M-625-191mLAccuStandard
2,4,5-涕酸甲酯(标准品) M-8150-031mLAccuStandard
2-巯基苯并噻唑(标准品) BIOC-077N-10MG10mgAccuStandard
23组分挥发性有机物混标 JMHW-0011mLAccuStandard
2,4-滴丁酸甲酯(标准品) P-228S1mLAccuStandard
2,2',3,3',4'5,6-七溴联苯醚(标准品) BDE-177S1mLAccuStandard
2-硝基-1,4-苯二胺(标准品) DYE-110N100mgAccuStandard
2-甲-4-氯苯氧基乙酸甲酯(标准品) M-8150-091mLAccuStandard
2,2',3,4,4',5,5',6-八氯联苯(标准品) C-203S1mLAccuStandard
2,2',3,6,6'-戊氯联苯(标准品) C-096S-TP1mLAccuStandard
2,4-滴硫钠(标准品) P-513S1mLAccuStandard
2,3,4,4’,5-五溴联苯(标准品) B-114S1mLAccuStandard
2,2-二氟联苯(标准品) M-625-071mLAccuStandard
2,8-二氯二苯并呋喃(标准品) F-201N10mgAccuStandard
2,3,5-混灭威(标准品) P-515S1mLAccuStandard
2-(5-叔丁基-2-羟苯基)苯并三唑,TECH级(标准品) PLAS-UV-007N50mgAccuStandard
28种混标 Z-014A-PAK5x1mLAccuStandard
2-硝基二苯胺(标准品) M-8330-ADD-511mLAccuStandard
2-氯-4-甲基氨基-6-二乙基氨基-S-三嗪(标准品) P-541N10mgAccuStandard
2,3',4',5-四溴联苯醚(标准品) BDE-070S1mLAccuStandard
20种有机氯农药标准(标准品) Z-004-SET20x10mgAccuStandard
2-氯二恶英(标准品) D-102S1mLAccuStandard
2,3,5,6-四氯苯酚(标准品) A-030-10MG10mgAccuStandard
2,2-二氯丙烷(标准品) AS-E11671mLAccuStandard