Abstract

AbstractThe influence of the pAg during ripening and of restoring the pAg after ripening on the reciprocity failure in silver bromide and silver chloride emulsions of equal grain size and grain distribution is studied.In the AgBr emulsion, sulphur ripening at lower than normal pAg values causes a strong decrease of the high intensity reciprocity law failure (HIRF). From this we conclude that silver sulphide specks no longer function as an electron trap at high intensities.

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