Cylinder of hydrogen or helium (or a helium-filled balloon from a department store) ... ory, the balloon containing the lower molecular weight gas wil...
p-Aminothymol was also prepared, but this base did not seem to be so ... In the preparation of the direct cotton dyes of the benzidine group, the dye ... CONGO RED No. 307. One gram OE crude dried material gave 50.6 per cent sulfated ash. One gram pu
p-Aminothymol was also prepared, but this base did not seem to be so satisfactory a developer as the corresponding carvacrol derivative. One disadvantage.
silyl derivativesof (I), to compare the effect of an R3Si group with a methyl group from the point of view of carcinogenic potency of the respective azo dyes.
... Solvent Effect Based on Four Empirical Scales: Dipolarity (SdP, a New Scale), Polarizability (SP), Acidity (SA), and Basicity (SB) of the Medium. Javier Catalán.
Publication Date: November 1936. ACS Legacy Archive. Cite this:J. Am. Chem. Soc. 58, 11, 2327-2333. Note: In lieu of an abstract, this is the article's first page.
Nikolai N. Woroshtzow, and Anatole S. Tsherkasski. J. Am. Chem. Soc. , 1936, 58 (11), pp 2327â2333. DOI: 10.1021/ja01302a072. Publication Date: November ...
it should according to Spiegel, given two azo groups. (3). All bisulfite compounds of azo dyes are coloredâyellow, orange, redâwhile hydrazo com- pounds are ...
May 27, 2009 - Azo dyes are ubiquitously used in the textile industry. These dyes need to be removed from the effluent prior to discharge to sewage due to their intense color and toxicity. In this study we investigated the use of a bioelectrochemical
Jul 2, 2009 - 08800 VilanoVa i la Geltrú, Catalunya, Spain. The anaerobic biodegradability of some commercially important colorants was investigated in ...
to his or her lab bench position. Fully manipulable (Chime) versions of these and other molecules are available at the Only@JCE Online Web site: http://www.
