Stable Isotopes

²H and ¹⁸O in water samples

• VSMOW2, Water
• SLAP2, Water
• GISP, Water
• IAEA-304, Water

Materials with known ²H, ¹³C, ¹⁵N and ¹⁸O isotopic composition

• NBS 22, Oil
• NBS 28, Quarz Sand
• NBS 30, Biotite
• USGS 24, Graphite
• USGS-40, L-Glutamic Acid
• USGS-41, L-Glutamic Acid
• IAEA-600, Caffeine
• IAEA-601, Benzoic Acid
• IAEA-602, Benzoic Acid
• IAEA-CH-3, Cellulose
• IAEA-CH-6, Sucrose
• IAEA-CH-7, Polyethylene
• IAEA-303, Sodium-Bicarbonate

Materials with known ¹³C, ¹⁸O, and ⁷Li isotopic composition

• NBS-18, Calcite
• NBS-19, TS-Limestone
• LSVEC, Lithium Carbonate
• IAEA-CO-1, Marble
• IAEA-CO-8, Calcite
• IAEA-CO-9, Barium Carbonate
• RM 8562, CO2 Gas
• RM 8563, CO2 Gas
• RM 8564, CO2 Gas

Materials with known ¹⁵N/14N isotopic composition

• IAEA-N-1, Ammonium Sulfate
• IAEA-N-2, Ammonium Sulfate
• IAEA-NO-3, Potassium Nitrate
• USGS-32, Potassium Nitrate
• USGS-34, Potassium Nitrate
• USGS-35, Sodium Nitrate
• USGS-25, Ammonium Sulfate
• USGS-26, Ammonium Sulfate
• NSVEC, Air-N2
• IAEA-305, Ammonium Sulfate
• IAEA-310, Urea
• IAEA-311, Ammonium Sulfate

Materials with known ³⁴S/³²S isotopic composition

• IAEA-S-1, Silver Sulfide
• IAEA-S-2, Silver Sulfide
• IAEA-S-3, Silver Sulfide
• IAEA-S-4, Elemental Sulfur
• IAEA-SO-5, Barium Sulfate
• IAEA-SO-6, Barium Sulfate
• NBS-127, Barium Sulfate

Materials with known ¹¹B/¹⁰B isotopic composition

• IAEA-B-1, Surface Sea Water
• IAEA-B-2, Groundwater
• IAEA-B-3, Groundwater
• IAEA-B-4, Tourmaline
• IAEA-B-5, Basalt
• IAEA-B-6, Obsidian
• IAEA-B-7, Limestone
• IAEA-B-8, Clay

Materials with known ³⁷Cl/³⁵Cl isotopic composition

• ISL-354, Sodium Chloride

Carbon-14

• IAEA-C1, Marble
• IAEA-C2, Travertine
• IAEA-C3, Cellulose
• IAEA-C4, Wood
• IAEA-C5, Wood
• IAEA-C6, Sucrose
• IAEA-C7, Oxalic Acid
• IAEA-C8, Oxalic Acid
• IAEA-C9, Wood