Azeotropic Distillation
|
AZD for δ2H/δ18O/3H (30 mL)
+Activated charcoal treatment (removes organics) |
$50 |
+2 weeks |
| AZD for E3H (600 mL) |
$140 |
+2 weeks |
| AZD for UE3H (2000 mL) |
$300 |
+2 weeks |
| +Parafin wax treatment (removes organics) |
$5 |
+1 week |
Elemental
Analysis Preparation |
C/N/S freeze dry ($100 cap) |
$5 |
+1 week |
| C/N/S DI rinse, freeze dry |
$10 |
+1 week |
| C/N/S freeze dry, ball mill |
$15 |
+1 week |
| C/N/S acid wash, freeze/oven dry |
$18 |
+1 week |
| C/N/S acid wash, Freeze Dry, Ball Mill |
$28 |
+1 week |
| C/N/O/S solid – chop/cut/slice |
$5 |
+1 week |
| C/N/O/S solid or carbonate Grind |
$5 |
+1 week |
| C/N/O/S solid or carbonate Ball Mill |
$10 |
+1 week |
| C/N/S N2 or He flush to remove volatiles |
$10 |
+1 week |
| Conversion of dissolved H2S gas to CdS (δ34S) |
$25 |
+1 week |
| H/C/N/S Lipid removal |
$25 |
+1 week |
| C/N/S Collagen reduction |
$25 |
+1 week |
Rock, Sediment and
Soil Leaching |
Extract SO4 from Rock (δ34S and/or δ18O) |
$50 |
+1 week |
| Whole rock milling and screening (δ37Cl, δ81Br or 87Sr/86Sr) |
$100 |
+2 weeks |
| Crushed rock porewater leaching (δ37Cl, δ81Br or 87Sr/86Sr) |
$50 |
+1 week |
| Soil/sediment water or acetic acid leach (87Sr/86Sr) |
$40 |
+1 week |
| KCl soil NO3 extraction (δ15N/δ18O) |
$50 |
+1 week |
| Other |
1,4-Dioxane CSIA extraction from 1L (0.5 ppb minimum) |
$75 |
+2 weeks |
| Ion exchange extraction (NO3/SO4) |
$50 |
+3 weeks |
|
δ2H in H2O by Cr Reduction (DISCONTINUED) |
$40 |
+2 weeks |
| Zinc acetate to remove H2S |
$5 |
+1 week |
| Ammonium extraction |
$20 |
+3 weeks |
| Brine/oil contamination (87Sr/86Sr) |
$25 |
+1 week |
| Remove organic carbon from carbonates |
$18 |
+1 week |
| Remove inorganic carbon (acid wash) |
$18 |
+1 week |
| Additional DIC extraction for AMS |
$50 |
+1 week |
| Breakseal organic combustion for AMS |
$50 |
+2 weeks |
| Dissolved gas equilibration and extraction (large volume) |
$50 |
<1 week |
| Dissolved gas headspace generation/equilibration |
$5 |
<1 week |
| Transfer/dilute headspace gas sample into 12 ml Exetainer |
$5 |
<1 week |
| Liquid Nitrogen for small samples (δ13C dual inlet) |
$7 |
<1 week |
| Thermal Desorber tube conditioning |
$7 |
<1 week |
| Estimated DIC Concentration |
$5 |
<1 week |
| Estimated Conductivity |
$3 |
<1 week |
| Estimated pH |
$3 |
<1 week |
| Estimated Sr Concentration |
$10 |
<1 week |
| δ2H, δ13C or δ37Cl CSIA additional GC scan |
$50 |
+1 week |
