Standard Operating Procedures

Carbonate Clumped Isotope Preparation515
Carbonate Bulk Isotope Analysis370
Nitrate Isotope Analysis299
Liquid Nitrogen298
Solid CN Isotope Analysis298
Carbonate Clumped Isotope Analysis253
Rock preparation223
Solid Sulfur Isotope Analysis222
Nitrate Sample Preparation206
Freeze Dryer196
CRDS Water Isotope Analysis - δD δ18O194
Muffle Furnace179
Cleaning Laboratory Glassware160
Ion Chromatography152
Chromium Reduction150
CRDS Water Isotope Analysis - δD δ17O δ18O 147
Percent Carbonate139
Silver Salt Analysis139
Kerogen Extraction136
Sequential Iron Extraction133
Nitrate Preconcentration130
Water Fluorination and Preparation for IRMS Analysis127
Making Phosphoric Acid126
Inca Bandsaw121
Silver Salt Preparation113
Dual-Inlet O2 Isotope Analysis101
Sharps and Glass99
CO2 Injections93
Chemical Waste Disposal91
CN-S Configuration Switching82