二恶英、呋喃、多氯联苯残留分析的专用试剂
Hexane
ENVISOLV™ for analysis of dioxins, furans and PCB, ≥95% (GC)

grade: ENVISOLV™ for analysis of dioxins, furans and PCB
assay: ≥95% (GC)
total impurities :
≤0.0005% non-volatile matter
≤0.01% water (Karl Fischer)
suitability: passes test for GC-MS of dioxins, furans, PCBs 

适用于二恶英、呋喃、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)