Toluene 
ENVISOLV™ for analysis of dioxins, furans and PCB, ≥99.7% (GC)

grade: ENVISOLV™ for analysis of dioxins, furans and PCB
assay: ≥99.7% (GC)
total impurities: ≤0.0005% non-volatile matter
≤0.02% water (Karl Fischer)
suitability: passes test for GC-MS of dioxins, furans, PCBs 

适用于二恶英、呋喃和多氯联苯的GC/MS检测；
17种二恶英和二苯呋喃残留，均≤5 pg/L(5 ppq)