Table T8. Sampling and storage protocol for WSTP basement fluid samples.
| Lab code | Laboratory | Container | Sample volume | Measurement | Treatment |
|---|---|---|---|---|---|
| WSTP overflow (~1 L) | |||||
| WSO | Shipboard analysis | Few drops | Salinity, total dissolved solids | ||
| 3 mL | pH, alkalinity | ||||
| 50 µL | ICr (SO4, Ca, K, Mg) | ||||
| 0.5 mL | ICP (K, Ca, Mg, Na, Li, B, Sr, Ba, Mn, Fe) | ||||
| 100 µL | AgNO3 titration (Cl) | ||||
| 3 mL | Spectrophotometry (SiO2, PO4, NH4+) | ||||
| 1.5 mL | TOC-5000A (DIC) | Frozen until analysis | |||
| WSOB | Shore-based analysis | Acid washed | 100 mL | δD, δ18O, δ13CDIC | 2 mL HgCl2 |
| WSOA | Shore-based analysis | Plastic | 100 mL | δ34SSO4, δ34SS2– | ~100 mg Cd acetate |
| WSOT | Shore-based analysis | Bottles | 100 mL | 87Sr/86Sr, major and trace elements | 2 mL concentrated TM HNO3 |
| WSTP Ti-coil (~14 mL) | |||||
| WST | Shipboard analysis | ~100 µL | Salinity, total dissolved solids | ||
| ~100 µL | ICr (SO4, Ca, K, Mg) | ||||
| 0.5 mL | ICP (K, Ca, Mg, Na, Li, B, Sr, Ba, Mn, and Fe) | If sample collected >12 mL | |||
| WSTB | Shore-based analysis | Glass ampule | 5 mL | δD, δ18O, δ13CDIC | 100 µL HgCl2 |
| WSTA | Shore-based analysis | Glass ampule | 2 mL | δ34SSO4, δ34SS2– | 10 mg Cd acetate |
| WSTT | Shore-based analysis | Poly tube | 5–6 mL | 87Sr/86Sr, major and trace elements | 100 µL TM HNO3 |
Notes: ICr = ion chromatography, ICP = inductively coupled plasma spectrometry. TM = trace metal grade. TOC = total organic carbon analyzer. DIC = dissolved organic carbon. WSO = water sample overflow, WST = water sampler Ti coil. Suffix for shore-based analysis: B = Banerjee, A = Alt, T = Teagle.
Previous | Close | Next | Top of page