Analysis of paint vehicles, japans and varnishes (1920)
Holley, Clifford Dyer · New York : J. Wiley ; London : Chapman & Hall · leaf 111
be continued until the analyst is thoroughly convinced that the sample is uniform in composition. The entire success of the analysis depends upon securing a uniform sample, and more analyses are incorrect because of carelessness in the preparation of the sample to be analyzed than from any other… … the use of the apparatus illustrated here- Fig. 6. with (Fig. 6). The extraction thimble, Extraction Apparatus. containing a filter folded cylindrically, is dried in the hot-water oven for thirty minutes, weighed, and 10 to 15 grams of the sample weighed into it, extracted with ether for 24 to 36…
Paint · Japanning · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from One thousand processes in manufactures and experiments in chemistry / [Colin Mackenzie]. (1825)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b29307867-153-1.webp)
![An illustration from A course of six lectures on the chemical history of a candle [electronic resource]: to which is added, a lecture on platinum (1865)](https://img.insideoutlibrary.com/img/200/ia-19991842.5823.emory.edu-151-27.webp)
