Some Observations on the Szilard-Chalmers Process in Dichromates

1963 ◽  
Vol 2 (2) ◽  
Author(s):  
T. Andersen ◽  
A. G. Maddock
Keyword(s):  
Solid Solutions ◽  
Potassium Dichromate ◽  
Ammonium Dichromate ◽  
Aqueous Method

SummaryThe initial retentions of samples of monoclinic and triclinic potassium dichromate, irradiated under the same conditions, were found to be 82.4 and 89.5% respectively. Monoclinic solid solutions of KAn entirely non-aqueous method of determining the retention in ammonium dichromate gave the same value as the aqueous procedure.

Isolation and staining of wheat transfer cells

1978 ◽  
Vol 56 (16) ◽  
pp. 1992-1995 ◽  
Author(s):  
S.-Y. Zee
Keyword(s):  
Chromium Trioxide ◽  
Potassium Dichromate ◽  
Transfer Cells ◽  
Ammonium Dichromate ◽  
Basic Dyes ◽  
Nodal Tissue

Xylem and phloem transfer cells in the vegetative nodes of wheat, fixed in a mixture of 3% ammonium dichromate + 3% potassium dichromate and 20% formalin (1:1), could be easily separated from the nodal tissue using a mixture of 2% chromium trioxide + 8% H2SO4 + 3% HNO3 solution. After maceration and staining (with either acidic or basic dyes), the well organized protoplast and the weakly birefringent walls of the transfer cells could be seen clearly.

Preparation of Thin Cadmium Telluride Samples for Electron Microscope Studies

1974 ◽  
Vol 32 ◽  
pp. 548-549
Author(s):  
T. J. Magee ◽  
J. Peng ◽  
J. Bean
Keyword(s):  
Electron Microscope ◽  
Sulfuric Acid ◽  
Solid State ◽  
Sample Preparation ◽  
Cadmium Telluride ◽  
Potassium Dichromate ◽  
Optical Components ◽  
The Past ◽  
Solid State Devices

Cadmium telluride has become increasingly important in a number of technological applications, particularly in the area of laser-optical components and solid state devices, Microstructural characterizations of the material have in the past been somewhat limited because of the lack of suitable sample preparation and thinning techniques. Utilizing a modified jet thinning apparatus and a potassium dichromate-sulfuric acid thinning solution, a procedure has now been developed for obtaining thin contamination-free samples for TEM examination.

Optical vibration modes in Hg1-xZnxTe solid solutions near q=0

1989 ◽  
Vol 50 (21) ◽  
pp. 3223-3232 ◽  
Author(s):  
G. Le Bastard ◽  
R. Granger ◽  
S. Rolland ◽  
Y. Marqueton ◽  
R. Triboulet
Keyword(s):  
Solid Solutions ◽  
Vibration Modes ◽  
Optical Vibration

Valence instabilities of Tm in its compounds and solid solutions

1979 ◽  
Vol 40 (C5) ◽  
pp. C5-314-C5-320 ◽  
Author(s):  
F. Holtzberg ◽  
T. Penney ◽  
R. Tournier
Keyword(s):  
Solid Solutions

E. S. R. OF Gd3+ IN La2O3 AND ITS SOLID SOLUTIONS WITH CeO2

1976 ◽  
Vol 37 (C7) ◽  
pp. C7-204-C7-207
Author(s):  
G. BACQUET ◽  
C. BOUYSSET ◽  
D. HERNANDEZ
Keyword(s):  
Solid Solutions
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