This document provides a price list and sample requirements for isotope ratio mass spectrometry, elemental analysis, and X-ray diffraction services offered by the Laboratory for Stable Isotope Science at the University of Western Ontario, including contact information for the director, requirements for sample preparation and submission, pricing tables for commercial and research rates, and additional services offered.

1. Price List and Sample Requirements
Contact: Dr. Fred Longstaffe, Director of L.S.I.S.
Department of Earth Sciences
Biological and Geological Sciences Building
The University of Western Ontario
London, Ontario, Canada
N6A 5B7
Phone: 519-661-3177
Fax: 519-661-3198
e-mail: flongsta@uwo.ca
Please send all samples prepared for analysis (fine homogeneous powder); otherwise a preparation charge of
75$/hour will be applied. All prices are in Canadian dollars.
Please be aware that some samples require special preparatory work or repeat analyses, for which there may be
an extra charge. Please contact us to discuss the details of what is required for your project.
Services
Offered:
Isotope Ratio
Mass
Spectrometry
Waters (D/H, 18
O/16
O, 18
O/16
O, 13
C/12
C in DIC)
Carbonates (18
O/16
O and 13
C/12
C)
Organic Matter (13
C/12
C, 15
N/14
N, 34
S/32
S, 18
O/16
O)
Silicates and Oxides (18
O/16
O)
Pure Gases (CO2, N2, SO2, H 2)
Elemenal
Anaysis
C, N, H, S %
X-Ray
Diffraction
Detailed clay mineral Anaysis, Bulk Diffraction,
Interpretation
Costs
Price#1: Commercial rate
Price#2: Non-collaborative research (research grants, e.g. NSERC)
Price#3: Collaborative research rates
Material Method
Optimal Qty
(used Qty)
Precision
per mil
$ #1 $ #2 $ #3
Waters
D/H Zinc 1 ml (2l) 3 45 35 25
18
O/16
O CO2 equilibration 2 ml (1 ml) 0.2 40 30 20
18
O/16
O Micro equilibration 1 ml (3l) 0.3 65 55 45
13
C/12
C in DIC H3PO4 extraction 1 mg C 0.2 50 40 30
Carbonates
18
O/16
O and 13
C/12
C acid extraction 0.5 mg C 0.2 50 40 30
18
O/16
O and 13
C/12
C
in carbonate mixtures
(price per phase)
selective acid extraction 0.5 mg C 0.3 65 55 45
Organic/inorganic matter
13
C/12
C EA/continuous flow 100g 0.3 35 25 15

2. 15
N/14
N EA/continuous flow 100g 0.3 35 25 15
34
S/32
S EA/continuous flow 100g 0.3 35 25 15
18
O/16
O TC/EA continuous flow 100g 0.3 70 50 30
weighing trained technician 40/hr 40/hr 40/hr
Silicates and oxides
18
O/16
O ClF3 extraction 50 mg (15 mg) 0.3 150 125 75
Isotope ratio measurements of pure gases
CO2, N2, SO2 100 -1 mol 0.2 25 15 10
H2 100 - 10 mol 2 25 15 10
Elemental analysis
C, N, H, S % Elemental Analyzer 5 mg < 0.3 % 25 15 10
weighing trained technician 40/hr 40/hr 40/hr
X-ray diffraction
Detailed clay mineral analysis (interpretation not included) 375 300 200
6 treatments/sample:
(<2m size fraction
or fraction provided)
Ca-saturated @ 54% relative. humidity
Ca-saturated, ethylene glycol solvated
K-saturated @ 0% relative humidity
K-saturated @ 54% relative humidity
K-saturated @ 300°C
K-saturated @ 550°C
Bulk diffractogram ( 2-82° twotheta) includes grinding and mounting (interpretation not included)
front pack > 300 mg 75 60 40
back pack > 1000mg 75 60 40
glass slide smear > 10 mg 75 60 40
Interpretation of diffractograms 65/h 65/h 65/h
Separation of <2m fraction (including bleaching of organics) 75 60 40
Separation of other size fractions (cost on request)
Soxlet extraction prior to mineralogical analysis 100 g 100 75 50
Use of separation equipment/sample by trained user (chemicals and material extra) 15/h 15/h 15/h
Training
All instruments and lines 60/h 60/h 60/h