Characterization II by H. Kosslick, R. Fricke (auth.), Hellmut G. Karge, Jens

By H. Kosslick, R. Fricke (auth.), Hellmut G. Karge, Jens Weitkamp (eds.)

Molecular Sieves - technology and expertise covers, in a finished demeanour, the technological know-how and expertise of zeolites and all comparable microporous and mesoporous fabrics. Authored by way of popular specialists, the contributions to this handbook-like sequence are grouped jointly topically in this kind of means that every quantity bargains with a selected sub-field. quantity five enhances quantity four (Characterization I) in that it really is dedicated to the characterization of molecular sieves by means of various non-spectroscopic thoughts (Characterization II). therefore, quantity five includes Chemical research, Thermal research, Pore-Size Characterization by way of Molecular Probes, Characterization via 129Xe NMR, Coke Characterization, Synthesis and Characterization of Isomorphously Substituted Molecular Sieves.

Show description

Read or Download Characterization II PDF

Similar nonfiction_9 books

Membrane Transporters as Drug Targets

Simply because growth within the box of transporters has been awesome, this quantity will specialize in fresh advances in our knowing of the constitution, functionality, body structure, and molecular biology of membrane transporters. there'll be an emphasis on transporters as molecular goals for drug supply and disposition within the physique.

Doubled Haploid Production in Crop Plants: A Manual

The creation of doubled haploids has turn into an important software in complicated plant breeding institutes and advertisement businesses for breeding many crop species. in spite of the fact that, the improvement of latest, extra effective and less expensive huge scale construction protocols has intended that doubled haploids also are lately being utilized in much less complex breeding programmes.

Hydrodynamics of Gas-Liquid Reactors: Normal Operation and Upset Conditions

The layout of chemical reactors and their safeguard are as serious to the luck of a chemical technique because the real chemistry occurring in the reactor. This booklet offers a accomplished review of the sensible features of multiphase reactor layout and operation with an emphasis on security and fresh know-how.

Solar Astrophysics, Second, Revised Edition

This revised version of sunlight Astrophysics describes our present figuring out of the sunlight - from its inner most inside, through the layers of the at once observable surroundings to the sunlight wind, correct out to its farthest extension into interstellar area. It features a entire account of the background of sunlight astrophysics, in addition to an summary of the most important tools during the numerous sessions.

Extra info for Characterization II

Example text

Ga2 O3 is not volatile until 2000 ◦ C. However, Ga2 O begins to evaporate at 660 ◦ C quantitatively. Red-heat causes corrosion of crucible walls but no weight change. Chloride causes weight loss due to GaCl3 evaporation. The gallium oxide, thermally treated at 1000–1200 ◦ C, is not hygroscopic. Avoid the use of Pt crucibles, because under reducing conditions, Pt-Ga-alloys form. 7 Determination of Phosphorous Phosphate is determined in the filtrate of the silica determination or after evaporation of silicon with HF and removal of excess fluoride by evaporation with conc.

Drop ammonia (2 M in water) into the red-pink solution until it just becomes yellow. 01 M EDTA solution from yellow to pink. 5893 mg Co. Potentiometric determination of vanadium Dissolve ca. 20 mg of the sample in 70 mL of sulfuric acid (1 + 1) at 140 ◦ C under flowing dry nitrogen for 20 min. Dilute this solution to 250 mL with water. The hot solution is titrated under flowing nitrogen (Titrierautomat Schott TPC 2000) with n/100 Ce(SO4 )2 solution until the color changes from blue to yellow. Lead and barium precipitate as sulfates.

As ionized atoms absorb and emit radiation at other wavenumbers than excited atoms, the ionization of atoms in the plasma is a real source of disturbance. This negative influence is in part overcome by the addition of ionization buffers like potassium chloride. The high electron density in the plasma shifts the dissociation equilibrium nearly completely towards the atomic state. Therefore, despite the high plasma temperature, the Chemical Analysis of Molecular Sieves 31 Fig. 5 Schematic diagram of a conventional simultaneous ICP system [21] Fig.

Download PDF sample

Rated 4.11 of 5 – based on 30 votes

Related posts