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Material Database:

IRMM-670
Type Reference material
Producer JRC - Joint Research Centre
Status Available
Material Liquid
Reference ERM®- AE670
Catalog (Web) http://www.irmm.jrc.be/html/reference_materials_catalogue/
catalogue/certificates_and_reports/ERM-AE670_cert.pdf
 
Description

Mercury-202 spike as CH3HgCl

This certificate is valid until 01.07.2007. This validity may be extended as further evidence of stability becomes available.

The spike isotopic reference material ERM®-AE670 is supplied with a certified amount content of CH3202Hg and certified isotopic compositon of Hg present as CH3Hg.

References:

[1] G. Audi and A.H. Wapstra, The 1993 atomic mass evaluation,

Nucl Phys A565 (1993) 1-65.

Package
The samples are supplied in flame-sealed quartz ampoules, and contain at least 5 g of the solution. The solution matrix is 2 % ethanol in water.

Parameter
Analyte   Mercury  
Specification   Mercury-202 spike as CH3HgCl  
Parameter   Certified value  
Unit   mass fraction (g (Hg as CH3HgCl) * g-1) (solution)  
Result   35.4 * 10-6 +/- 1.3 *10-6 g (Hg as CH3HgCl) * g-1 (solution)  

Analyte   Mercury  
Specification   Mercury-202 spike as CH3HgCl  
Parameter   Certified value  
Unit   mass fraction (g (202Hg as CH3HgCl) * g-1) (solution)  
Result   34.5 * 10-6 +/- 1.2 * 10-6 g (202Hg as CH3HgCl) * g-1 (solution)  

Analyte   Mercury  
Specification   Mercury-202 spike as CH3HgCl  
Parameter   Certified value  
Unit   amount content (mol (CH3(202Hg)Cl) * g-1) (solution)  
Result   171.0 * 10-9 +/- 6.1 * 10-9 mol (CH3(202Hg)Cl) * g-1 (solution)  

Analyte   Mercury  
Specification   Mercury-202 spike as CH3HgCl  
Parameter   Certified value  
Unit   amount content (mol (CH3HgCl) * g-1) (solution)  
Result   175.1 * 10-9 +/- 6.2 * 10-9 mol (CH3HgCl) * g-1 (solution)  

Analyte   Mercury  
Specification   m(196Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.0017 +/- 0.0012  

Analyte   Mercury  
Specification   m(198Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.0597 +/- 0.0048  

Analyte   Mercury  
Specification   m(199Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.15428 +/- 0.00093  

Analyte   Mercury  
Specification   m(200Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.532 +/- 0.021  

Analyte   Mercury  
Specification   m(201Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   1.298 +/- 0.051  

Analyte   Mercury  
Specification   m(202Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   97.698 +/- 0.057  

Analyte   Mercury  
Specification   m(204Hg) / m(Hg)  
Parameter   Certified value  
Unit   isotope mass fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.257 +/- 0.016  

Analyte   Mercury  
Specification   n(196Hg) / n(202Hg)  
Parameter   Certified value  
Unit   amount ratios of Hg isotopes in form of CH3HgCl  
Result   0.000018 +/- 0.000013  

Analyte   Mercury  
Specification   n(196Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.0018 +/- 0.0013  

Analyte   Mercury  
Specification   n(198Hg) / n(202Hg)  
Parameter   Certified value  
Unit   amount ratios of Hg isotopes in form of CH3HgCl  
Result   0.000623 +/- 0.000050  

Analyte   Mercury  
Specification   n(198Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.0609 +/- 0.0049  

Analyte   Mercury  
Specification   n(199Hg) / n(202Hg)  
Parameter   Certified value  
Unit   amount ratios of Hg isotopes in form of CH3HgCl  
Result   0.001603 +/- 0.000096  

Analyte   Mercury  
Specification   n(199Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.15659 +/- 0.00094  

Analyte   Mercury  
Specification   n(200Hg) / n(202Hg)  
Parameter   Certified value  
Unit   amount ratios of Hg isotopes in form of CH3HgCl  
Result   0.00550 +/- 0.00022  

Analyte   Mercury  
Specification   n(200Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.537 +/- 0.021  

Analyte   Mercury  
Specification   n(201Hg) / n(202Hg)  
Parameter   Certified value  
Unit   amount ratios of Hg isotopes in form of CH3HgCl  
Result   0.01335 +/- 0.00053  

Analyte   Mercury  
Specification   n(201Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   1.304 +/- 0.051  

Analyte   Mercury  
Specification   n(202Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   97.685 +/- 0.057  

Analyte   Mercury  
Specification   n(204Hg) / n(202Hg)  
Parameter   Certified value  
Unit   amount ratios of Hg isotopes in form of CH3HgCl  
Result   0.00260 +/- 0.00016  

Analyte   Mercury  
Specification   n(204Hg) / n(Hg)  
Parameter   Certified value  
Unit   isotope amount fractions of Hg in the form of CH3HgCl ( * 100)  
Result   0.254 +/- 0.016  








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