Table 3. Concentrations of Seven Arsenolipid Species Present in CRM 7405-a (Hijiki)a.
| concentration
in CRM 7405-a (Hijiki) [ng As g–1], mean ± SD, n = 3 |
||
|---|---|---|
| arsenolipid | RP-HPLC-ICPMS | RP-HPLC-HR-ESMS |
| AsHC332 | 1073 ± 44 | 1194 ± 62 |
| AsHC360 | 90 ± 5 | 130 ± 8 |
| AsPL958 | 1587 ± 31 | n.q. |
| AsPL986 | 304 ± 6 | n.q. |
| AsPL1014 | 208 ± 9 | n.q. |
| AsPL1042 | 114 ± 3 | n.q. |
| AsPL1070 | 43 ± 2 | n.q. |
a
Quantities are based on triplicate analyses incorporating a single extraction with DCM/MeOH (2 + 1, v/v), followed by silica clean-up, formation of the thio analogues, and quantification by RP-HPLC-ICPMS/High-Resolution-ESMS (n.q. = not quantified because of lack of standards).