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Locke 1985 protocol

The calibrated immersion-oil series and operational procedure for forensic glass RI measurement described by Locke and Underhill (1985); specifies the oil series, temperature-RI calibration, two-observer rule, and reporting format.

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ASTM E1967Bayesian likelihood ratioBecke lineCauchy equationDispersionENFSI ENG3-2013GRIM-3Immersion methodMettler FP-90Phase-contrast microscopyRefractive index (RI)

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