Bowen's Kale
id:
bowen-s-kale-219-426602
title:
Bowen's Kale
text:
Bowen's Kale was a reference material produced by British chemist Humphry Bowen and used for the calibration of early scientific instruments intended to measure trace elements during the 1960s. With Peter Cawse, Bowen grew, dried, and crushed a large amount of marrow-stem kale into 100 kilograms (220 lb) of a homogeneous and stable powder in 1960 that was subsequently freely distributed to researchers around the world for over two decades. This was probably the first successful example of such a
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Bowen%27s_Kale
date created:
2005-08-12T19:07:25Z
date modified:
2024-09-13T11:04:38Z
main entity:
{"identifier":"Q4950800","url":"https://www.wikidata.org/entity/Q4950800"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/4/4f/Bowen%27s_Kale.jpg","width":1950,"height":2691}
fields total:
13
integrity:
15