Observations On the Rare Earths
Observations On the Rare Earths
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The oxide was cream colored. Check analyses by the sul- furic acid volumetric method gave the values 162. 62 and 162. 41 for the atomic weight. A sample from an insoluble end fraction gave the value 163. 01 by the same method. This series will be referred to later as the second ethyl sulfate series.
Since it appeared that, with the material at hand, dysprosium might readily be isolated with no impurity other than a small amount of holmium, which was not sufficient to affect the atomic weight mo...re than one or two points in the second decimal place, and for which a correction might be made, based on the intensity of the absorption spectrum, it was decided to attempt to determine accurately the atomic weight of dysprosium. With this end in view, the fractionation of the ethyl sulfates was continued. It was decided to study the ratio Dy 2 O3 : 2DyCls by a method similar to that used for the determination of the atomic weight of yttrium by Kgan and Balke. 2 VII. Preparation of Reagents Used in the Atomic Weight Determina- tions.
What to read after Observations On the Rare Earths?
You can find similar books in the "Read Also" column, or choose other free books by Edgar Wallace Engle to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The oxide was cream colored. Check analyses by the sul- furic acid volumetric method gave the values 162. 62 and 162. 41 for the atomic weight. A sample from an insoluble end fraction gave the value 163. 01 by the same method. This series will be referred to later as the second ethyl sulfate series.
Since it appeared that, with the material at hand, dysprosium might readily be isolated with no impurity other than a small amount of holmium, which was not sufficient to affect the atomic weight mo...re than one or two points in the second decimal place, and for which a correction might be made, based on the intensity of the absorption spectrum, it was decided to attempt to determine accurately the atomic weight of dysprosium. With this end in view, the fractionation of the ethyl sulfates was continued. It was decided to study the ratio Dy 2 O3 : 2DyCls by a method similar to that used for the determination of the atomic weight of yttrium by Kgan and Balke. 2 VII. Preparation of Reagents Used in the Atomic Weight Determina- tions.
What to read after Observations On the Rare Earths?
You can find similar books in the "Read Also" column, or choose other free books by Edgar Wallace Engle to read onlineMoreLess
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