Open AccessSpectrophotometric and colorimetric analysis of seventeen glass filters duplicating the relocated and respaced union color scale for lubricating oil and petrolatum for ASTM Committee D-2 Research Division IX submitted by Hellige, Inc.
Author(s) -
John C Schleter
Publication year - 1955
Language(s) - English
Resource type - Reports
DOI - 10.6028/nbs.rpt.4295
Subject(s) - scale (ratio) , division (mathematics) , mineralogy , chemistry , mathematics , geography , cartography , arithmetic