Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Carbonizable substances

Carbonizable substances (paraffin) NFT 60-134 ASTM D 612 Coloration after treatment in concentrated sulfuric acid... [Pg.446]

Carbonizeable Substances. Pipette 5ml of the sample into a 20x150mm test tube. Slowly and carefully add 5ml of coned H2SO4 and swirl the tube gently during the addition. The H2S04 used must be no darker in color than the methanol. Do Not Cool The Mixt. Allow the tube and contents to stand for 5 minutes at room temp. Examine the contents visually for any evidence of discoloration... [Pg.109]

USP acid test analy chem A United States Pharmacopoeia test to determine the carbonizable substances present In petroleum white oils. yti es pe as ad. test) UV stabilizer chem Any chemical compound that, admixed with a thermoplastic resin, selectively absorbs ultraviolet rays used to prevent ultraviolet degradation of polymers. Also known as ultraviolet stabilizer. yu ve sta ba.iTz ar)... [Pg.394]

Recognizing the need for a more economically and environmentally friendly citric acid recovery process, an adsorptive separation process to recover citric acid from fermentation broth was developed by UOP [9-14] using resin adsorbents. No waste gypsum is generated with the adsorption technique. The citric acid product recovered from the Sorbex pilot plant either met or exceeded all specifications, including that for readily carbonizable substances. An analysis of the citric acid product generated from a commercially prepared fermentation broth is shown in Table 6.2, along with typical production specifications. The example sited here is not related to zeolite separation. It is intent to demonstrate the impact of adsorption to other separation processes. [Pg.206]

Readily Carbonizable Substances Determine as directed under Readily Carbonizable Substances, Appendix IIB, using 200 mg of sample dissolved in 5 mL of 95% sulfuric acid and kept at 48° to 50° for 10 min. The color is no darker than that of Matching Fluid A. [Pg.29]

Color A sample shows no more color than does Matching Fluid A under Readily Carbonizable Substances, Appendix 11 li. [Pg.219]

Readily Carbonizable Substances. .. 845 Chloride Limit Test... 863... [Pg.827]

Colorimetric solutions are used in the preparation of colorimetric standards for certain chemicals and for the carbonization tests with sulfuric acid that are specified in several monographs. Directions for the preparation of the primary colorimetric solutions and Matching Fluids are given under the test for Readily Carbonizable Substances, Appendix IIB. Store the solutions in suitably resistant, tight containers. [Pg.962]

See other pages where Carbonizable substances is mentioned: [Pg.291]    [Pg.54]    [Pg.108]    [Pg.22]    [Pg.206]    [Pg.3]    [Pg.29]    [Pg.291]    [Pg.54]    [Pg.16]    [Pg.16]    [Pg.29]    [Pg.47]    [Pg.59]    [Pg.79]    [Pg.115]    [Pg.115]    [Pg.198]    [Pg.287]    [Pg.291]    [Pg.291]    [Pg.300]    [Pg.380]    [Pg.381]    [Pg.381]    [Pg.381]    [Pg.388]    [Pg.432]    [Pg.633]    [Pg.845]   
See also in sourсe #XX -- [ Pg.139 ]



SEARCH



© 2024 chempedia.info