reacting a mixture at 0-100 degrees centigrade; obtaining inorganic fluoride through a sedimentation procedure; then, filtering the fluoride, and washing a filter cake; obtaining the inorganic fluoride with purity of more than 98% after a drying procedure; condensing and drying filtrate so as to ...
AC. 100 per cent. v/v 2. BC2. 273. P C. ('1 - v ~ ) * per cent. v/v, P or where C is a constant for a particular determination. NOTES ON THE PROCEDURE- 1. Hold the pipette at the stopcocks or above A to avoid heating the gas. 2. If the sample is dry, use ...
In recent scenarios, several studies have focused on the versatile molecular passivation strategy aimed at mitigating various intrinsic point defects in the HP film4,21,22. Surface or bulk areas can lead to the formation of under-coordinated Pb2+ions, A-site vacancies/interstitial defects, and ha...
bromine, BrA ternary lanthanum bromide La 8Br 7Ni 4 was synthesized from La, LaBr 3, and Ni under an Ar atmosphere at 830 degrees C. It ... S Steinberg,J Brgoch,GJ Miller,... - 《Cheminform》 被引量: 0发表: 2013年 La_3Br_3Ni: Jahn-Teller distortion in the reduced rare earth...
(C-f) spectra measured at room temperature (under dark). All device reveals a plateau regime (1 to 100 kHz) with a slightly lower value for PZDI treated device that could stem from the HP accounting for defect density. Besides that, the lower frequency capacitance response is much ...
Then 0.1 g of N,N-dimethlaniline was added, the mixture was cast into a Teflon mold and heated in an oven at 120 degrees C. for 24 hours. The Limiting Oxygen Index of the product was 23.2 versus 18.7 for a parallel run without MPE. ...
The present invention relates to a process for stripping hydrocarbons from a catalyst, comprising the step of contacting the catalyst with steam at stripping conditions, wherein the catalyst comprises a molecular sieve having a structure type of MWW, the steam comprises at least 90 wt. % vapor ...
solns. at 20-100 degrees C, contg. bromide ions and HNO3, the suppression is achieved by adding urea in less than the stoichiometric amt. w.r.t. the HNO3. The aq. soln. is pref. also treated with O2, esp. gases contg. min. 50 vol % O2. Used e.g. in mfg. hexamethylene-...
solns. at 20-100 degrees C, contg. bromide ions and HNO3, the suppression is achieved by adding urea in less than the stoichiometric amt. w.r.t. the HNO3. The aq. soln. is pref. also treated with O2, esp. gases contg. min. 50 vol % O2. Used e.g. in mfg. hexamethylene-...
the process comprising the step of contact of the load supply of hydrocarbon with a catalyst at conversion conditions, in which the catalyst includes pel The molecular sieve and at least one clay,And in that the said catalyst is sufficient to reduce more than 50% of the rate of bromine to...