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Starting in 1996,
Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the
Wayback Machine after an embargo period.
Starting in 1996,
Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the
Wayback Machine after an embargo period.
The Wayback Machine - https://web.archive.org/web/20190326232825/http://www.cambridgesoft.com:80/services/documentation/sdk/chemdraw/cdx/properties/Atom_Isotope.htm
Atom_Isotope Property
| CDXML Name: | Isotope |
| CDX Constant Name: | kCDXProp_Atom_Isotope |
| CDX Constant Value: | 0x0420 |
| Data Size: | INT16 |
| Property of objects: | kCDXObj_Node |
| |
| First written/read in: | ChemDraw 4.0 / 6.0 |
| Required? | No |
Description:
The absolute isotopic mass of an atom (2 for deuterium, 14 for carbon-14).
A value of zero indicates natural abundance.
This property is meaningful only for nodes with a kCDXProp_Node_Type of type Element.
If this property is absent:
The atom is assumed to be of natural abundance.
CDX Documentation index
