Solvents for residue analysis of dioxins, furans and PCB’s
Concept:
ENVISOLV® solvents from Sigma-Aldrich are GC-MS tested. The range of ENVISOLV® products contain less than 5 pg/l (5 ppq) of the 17 relevant dibenzodioxins and dibenzofurans listed below (see Table 1).
Table 1
| Dibenzodioxins |
Dibenzofurans |
| 2,3,7,8-tetra-CDD |
2,3,7,8-tetra-CDF |
| 1,2,3,7,8-penta-CDD |
2,3,4,7,8-penta-CDF |
| 1,2,3,4,7,8-hexa-CDD |
1,2,3,7,8/1,2,3,4,8-penta-CDF |
| 1,2,3,6,7,8-hexa-CDD |
1,2,3,4,7,8/1,2,3,4,7,9-hexa-CDF |
| 1,2,3,7,8,9-hexa-CDD |
1,2,3,6,7,8-hexa-CDF |
| 1,2,3,4,6,7,8-hepta-CDD |
1,2,3,7,8,9-hexa-CDF |
| Octa-CDD |
2,3,4,6,7,8-hexa-CDF |
| - |
11,2,3,4,6,7,8-hepta-CDF |
| - |
1,2,3,4,7,8,9-hepta-CDF |
| - |
Octa-CDF |
Table 2. Specification / Product Range
| |
Acetone
31062
2.5 l / 7 l |
Dichloromethane
34411
2.5 l / 7 l |
Hexane
34412
2.5 l / 7 l |
Toluene
34413
2.5 l / 7 l |
| assay (GC) |
min. 99.8 % |
min. 99.8 % |
min. 95 % |
min. 99.7 % |
| non-volatile matter |
max. 0.0005 % |
max. 0.0005 % |
max. 0.0005 % |
max. 0.0005 % |
| water (Karl Fischer) |
max. 0.2 % |
max. 0.02 % |
max. 0.01 % |
max. 0.02 % |
| suitability for GC-MS of dioxines, furanes, PCB’s |
complying |
complying |
complying |
complying |
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