Table 3.
The Raman shift and peak location of the typical targets in deep sea research.
| Sample (Composition) | Mode | Raman Shift (cm−1) | Peak Location * (nm) | |
|---|---|---|---|---|
| Mineral | Anhydrite (CaSO4) | ν1 | 1017 | 562.4 |
| ν2 | 417, 499 | 544, 546.5 | ||
| ν3 | 1110, 1128, 1160 | 565.4, 565.9, 567 | ||
| ν4 | 608, 628, 675 | 549.8, 550.4, 551.8 | ||
| Gypsum (CaSO4·2H2O) | ν1 | 1008 | 562.1 | |
| ν2 | 415, 494 | 544, 546.4 | ||
| ν3 | 1136 | 566.2 | ||
| ν4 | 620, 671 | 550.1, 551.7 | ||
| Barite (BaSO4) | ν1 | 988 | 561.5 | |
| ν2 | 452, 462 | 545.1, 545.4 | ||
| ν3 | 1141 | 566.4 | ||
| ν4 | 617 | 550.1 | ||
| Pyrite (FeS2) | ν1 | 343 | 541.9 | |
| ν2 | 379 | 542.9 | ||
| ν3 | 430 | 544.5 | ||
| Marcasite (FeS2) | ν1 | 323, 386 | 541.3, 543.2 | |
| ν2 | 342, 377 | 542.9, 543.2 | ||
| S8 | ν1 | 476 | 545.8 | |
| ν2 | 219 | 538.3 | ||
| ν3 | 411 | 543.9 | ||
| ν4 | 234.4 | 538.7 | ||
| Calcite | ν1 | 1099 | 565.0 | |
| ν2 | 876 | 558.0 | ||
| ν3 | 1435, 1444 | 576.0,576.3 | ||
| ν4 | 724 | 553.3 | ||
| Aragonite | ν1 | 1085 | 564.6 | |
| ν3 | 1464, 1466 | 576.9, 577.0 | ||
| ν4 | 704 | 552.7 | ||
| Gas | CO2 | ν1 | 1387 | 574.4 |
| 2ν2 | 1285 | 571.0 | ||
| CH4 | ν1 | 2917 | 629.5 | |
| ν2 | 1534 | 579.3 | ||
| ν3 | 3020 | 633.8 | ||
| ν4 | 1306 | 571.7 | ||
| 2ν2 | 3068 | 635.8 | ||
| H2 | Q1 (0) | 4162 | 683.3 | |
| Q1 (1) | 4156 | 683.0 | ||
| Q1 (2) | 4144 | 682.5 | ||
| Q1 (3) | 4126 | 681.6 | ||
| H2S | ν1 | 2592 | 617.1 | |
| Solution | SO42− | ν1 | 981 | 561.3 |
| CO32− | ν1 | 1064 | 563.9 | |
| ν2 | 880 | 558.1 | ||
| ν3 | 1395 | 574.6 | ||
| ν4 | 686 | 552.1 | ||
| HCO3− | ν3 | 1364 | 573.6 | |
| ν5 | 1011 | 562.2 | ||
| HS− | ν1 | 2573 | 616.4 | |
| H2O | ν1 | 3450 | 651.6 | |
| ν2 | 1640 | 582.9 | ||
| ν3 | 3650 | 660.2 | ||
| Organic | β-Carotenoid | ν1 | 1515 | 578.6 |
| ν2 | 1130 | 566.0 | ||
| ν3 | 1000 | 561.9 | ||
| ν4 | 1270 | 570.5 |
* Raman peak location with 532 nm excitation wavelength. The chlorophyll fluorescence peak at 675 nm has not been listed.