UCSC Stable Isotope Laboratory Standards Inventory

**International and In-house isotopic reference materials for use in the UCSC Stable Isotope Laboratory**
Standard Name	Compound	δ¹³C	δ¹⁵N	δ¹⁸O	δD	wt% C	wt% N	wt% O	wt% H	Comments
TCH	(NH4)2SO4		-0.10				21.19	48.43	1.51	mw 132.14
IAEA N-2	(NH4)2SO4		20.30				21.19	48.43	1.51
IAEA NO-3	KNO3		4.70				13.85	47.48		mw.101.1
TS Gelatin NSRL 451		-12.51	5.68
Alanine	C3H7NO2	-26.65	-2.50			40.46	15.72
Pugel		-12.62	5.60			44.02	16.44
Acetanilide-IU	C8H9NO	-29.32	1.22			71.09	10.36	11.84	6.71	Indiana Univ. Schimmellman
Acetanilide-CT	C8H9NO	-30.30	0.20			71.09	10.36	11.84	6.71	Costech
Acetanilde	C8H9NO					71.09	10.36	11.84	6.71
Atropine	C17H23NO3	-28.80	-26.60			70.56	10.21
Amino Benzoic Acid	C7H7NO2	-27.70	-4.86			61.41	10.21
Bowhead Whale Baleen	C28H48N2O32S4	-18.5	14.06			41.67	15.34
IAEA 601 - Benzoic Acid	C6H5COOH	-28.81		23.14		68.78		26.20	4.91	ciaaw.org
IAEA 602 - Benzoic Acid	C6H5COOH	-28.85		71.28		68.78		26.20	4.91	ciaaw.org
Hekatek - Benzoic Acid	C7H6O2			20.78 ± 0.22		68.78		26.20	4.91	internal calibration (mw = 122.12)
Benzoic Acid	C7H6O2					68.78		26.20	4.91	122.12
NaNO3	NaNO3		7.10				32.95	56.48
Glycine	C2H2NO2					32.00	18.66
Cicloesanone-2,4-dinitrofenilidrazone	C12H14N4O4					51.79	20.14	23.00	5.07
Nicotinammide	C6H6N2O					59.01	22.94	13.10	7.43
Urea	CH4N2O					20.00	46.67	26.67	6.67
GK Graphite	Graphite	-25.00				100.00
NIST USGS24	Graphite	-16.00				100.00
Standard Name	Compound	δ¹³C	δ¹⁵N	δ¹⁸O	δD	wt% C	wt% N	wt% O	wt% H	Comments
Fisher Silver Phosphate	Ag₃PO₄			8.4				15.289		mw = 418.58
Ellen Gray std (UCSC High)	Ag₃PO₄			19.0				15.289		mw = 418.58
UCSC Low	Ag₃PO₄			12.2				15.289		mw = 418.58
UCSC High	Ag₃PO₄			21.5				15.289		mw = 418.58
Sigma-Aldrich Silver Phosphate	Ag₃PO₄			12.0				15.289		approximate
Kodak Silver Phosphate	Ag₃PO₄			18.06				15.289		mw = 418.58
Paytan-USGS Std Low Silver Phosphate	Ag₃PO₄			11.3				15.289		mw = 418.58
Paytan-USGS Std High Silver Phosphate	Ag₃PO₄			20.0				15.289		mw = 418.58
USGS-1 Std High Silver Phosphate	Ag₃PO₄			9.8				15.289		approximate
USGS-2 Std High Silver Phosphate	Ag₃PO₄			1.6				15.289		mw = 418.58
USGS-3 Std High Silver Phosphate	Ag₃PO₄			10.9				15.289		mw = 418.58
USGS-4 Std High Silver Phosphate	Ag₃PO₄			102.4				15.289		approximate
USGS-5 Std High Silver Phosphate	Ag₃PO₄			128.4				15.289		approximate
Tamburini Silver Phosphate	Ag₃PO₄			14.0				15.289		mw = 418.58
NIST SRM-120c Florida Phosphate Rock	Ca5(PO4)2.5(CO3)0.5F			22.58						Venneman et al. 2002
NIST SRM-694 Western Phosphate Rock	Ca5(PO4)2.5(CO3)0.5F			13.00						carbonate fluorapatite
C76-6 1975 Apatite Std
UWG-2 Gore Mtn Garnet Std.				5.80						Valley et al 1995 GCA pg.5223
IS-1 Icelandic Spar		-10.00								reported value approximate
PEF1 Polyethylene Foil NIST Ref # 8540	Polyethylene	-31.80			-100.30
NBS-22 Hydro. Std	Oil	-29.70			-118.50					Oil
Standard Name	Compound	δ¹³C	δ¹⁵N	δ¹⁸O	δD	wt% C	wt% N	wt% O	wt% H	Comments
Wiley (OSU Carbonate Std).	CaCO3
LV2 (UM)
NBS-18	CaCO3	-5.00		-23.00
NBS-19	CaCO3	1.95		-2.20
Curacao Coral < 63 µm	CaCO3
Atlantus II (Coral Aragonite)	CaCO3	0.87		3.41
Elephant Enamel (EE) Std	CaCO3
Carerra Marble	CaCO3	2.05		-1.91
Carerra Marble (CM05)	CaCO3	1.97		-1.61
VSMOW water	H2O			0.00	0.0
SLAP water	H2O			-55.50	-428.0
GRIP water	H2O			-24.80	-190.0
Truckee Tap Water	H2O
Saskatoon Water	H2O			-16.53	-130.3
SCDW	H2O			-5.35	-31.9
Taylor Dome	H2O			-35.50	-281.2
Ross Sea Ice Shelf	H2O			-22.67	-174.4
UCSC Sodium Bicarbonate	NaHCO3	-5.33
MAL-Rob Sodium Bicarbonate	NaHCO3	-25.13
UCSC2 Sodium Bicarbonate	NaHCO3	-20.23
UC Davis - Sodium Carbonate	Na2CO3	-0.38
1085 6H-1 107-109	Marine Sediment									Carbonate Rich (~1% Corg)
ODP Leg 198 SRS-1	Marine Sediment