Scientific books and papers can be downloaded for free from http://libgen.io or http://b-ok.org
James W. Zubrick, The Organic Chem Lab Survival Manual A Student’s Guide to Techniques
http://libgen.io or http://b-ok.org
Q3C — Tables and List Guidance for Industry
U.S. Department of Health and Human Services Food and Drug Administration Center for Drug Evaluation and Research (CDER) Center for Biologics Evaluation and Research (CBER)
[June 2017] ICH
Revision 3
https://www.fda.gov/downloads/Drugs/Guidances/ucm073395.pdf
APPENDIX 6. TOXICOLOGICAL DATA FOR CLASS 3 SOLVENTS draft 7
(working notes used to produce the above listed Q3C — Tables and List Guidance for Industry)
https://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM073403.pdf
John E. Amooref, Earl Hautala, “Odor as an Aid to Chemical Safety: Odor Thresholds Compared with Threshold Limit Values and Volatilities for 214 IndustrialChemicals in Air and Water Dilution”
http://infohouse.p2ric.org/ref/27/26375.pdf
Chambers A., Fitch R.K., Halliday B.S., Basic Vacuum Technology
http://libgen.io or http://b-ok.org
Strike, Sources, An International Reference of Supply Houses and Resources for the Chemist
http://libgen.io or http://b-ok.org
Wilfred L. F. Armarego, Christina Li Lin Chai, Purification of Laboratory Chemicals
http://libgen.io or http://b-ok.org
Egon Stahl, Thin-Layer Chromatography
A Laboratory Handbook
http://libgen.io or http://b-ok.org
Work, Funk, Fischer, Wimmer, Thin-Layer Chromatography Reagents and Detection Methods
http://libgen.io or http://b-ok.org
Elke Hahn-Deinstrop, Applied Thin-Layer Chromatography Best Practice and Avoidance of Mistakes
Journal of Natural Products Volume 43 issue 2 1980 [doi 10.1021%2Fnp50008a001] Turner, Carlton E.; Elsohly, Mahmoud A.; Boeren, Edward G. – Constituents of Cannabis sativa L. XVII. A Review of the Natural Constituents
http://libgen.io/scimag/index.php?s=10.1021%2Fnp50008a001
Solvents and Solvent Effects in Organic Chemistry, Fourth, Updated and Enlarged Edition, Christian Reichardt, Thomas Welton, Table 7-3 (relative solvent polarities)
My personal solvent cache listed as to polarity, non-polar to polar.
https://www.icmag.com/ic/showpost.php?p=7933632&postcount=162
Bretherick’s Handbook of Reactive Chemical Hazards
http://libgen.io or http://b-ok.org
D. Gold, Cannabis Alchemy