English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

A previous report described the purification , and determination of freezing points and purity of 37 hydrocarbon compounds of the APIStandard and APINBS series, which were produced as part of the cooperative program on standard samples of hydrocarbons of the National Bureau of Standards and the American P etroleum In titute. Tllis report de cribes the purification and determination of freezing points and purity of an additional 29 hydrocarbon compound under this cooperative program, including 8 nonanes, 6 alkylcyclohexan es, 11 alkylcyclopentanes, and 4 butylbenzenes.3 The final lots of the material labeled APIStandard are sealed "in vacuum" in glass ampoules and made available as NBS standard samples of

journal of research of the national bureau of standards

Purification, purity, and freezing points of 8 nonanes, 11 alkylcyclopentanes, 6 alkylcyclohexanes, and 4 butylbenzenes of the API-standard and API-NBS series