Table 3. Procedures Used for Measurements of Isotopic Composition of Two Batches of NIST SRM 3120a.
| procedure number | sample introduction | calibration |
|---|---|---|
| 1 | hydride generation | SSB |
| 2 | desolvation nebulizer | SSB |
| 3 | desolvation nebulizer | IS-SSB |
| procedure number | sample introduction | calibration |
|---|---|---|
| 1 | hydride generation | SSB |
| 2 | desolvation nebulizer | SSB |
| 3 | desolvation nebulizer | IS-SSB |