ABSOLUTE ISOTOPIC ABUNDANCE OF TERRESTRIAL SILVER

Journal Article · Mon Jan 01 04:00:00 EST 1962 · J. Research Natl. Bur. Standards

DOI:https://doi.org/10.6028/jres.066A.001· OSTI ID:4802392

Shields, W R; Garner, E L; Dibeler, V H

Isotopic abundance ratios are reported for a commercial silver nitrate, 13 samples of native silver, and 11 silver minerals of various compositions and from widely distributed deposits. Collateral measurements of known mixtures of nearly pure silver isotopes permit the determination of absolute abundance ratios. Native silver from Cobalt, Ontario, previously reported as exhibiting statistically significant variation, was re-examined. Additional measurements are reported for samples from the same nugget and from the same region. Except for the original observation, no significant variation from normal abundance was observed for any of the samples. The Ag/sup 107///Ag/sup 109/ ratio obtained from pooling the data is 1.07597 with a 95% confidence limit of plus or minus 0.00055 for the effect of random errors and a total uncertainty of plus or minus 0.00135 when an allowance for the possible effects of known sources of systematic error is included. (auth)

• Research Organization: Originating Research Org. not identified
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-007762
• OSTI ID: 4802392
• Journal Information: J. Research Natl. Bur. Standards, Journal Name: J. Research Natl. Bur. Standards Vol. Vol: 66A
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

DEPOSITS
DISTRIBUTION
ERRORS
GEOLOGY, MINERALOGY, AND METEOROLOGY
IMPURITIES
MINERALS
QUANTITATIVE ANALYSIS
QUANTITY RATIO
SILVER 107
SILVER 109
SILVER ISOTOPES
SILVER NITRATES
VARIATIONS