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England. Middle East. By topic. Literature. Births. Deaths. References. 1230. Map of the Battle of Klokotnitsa (1230) Year 1230 ( MCCXXX) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar . Events. By place. Byzantine Empire.
There are 20 isotopes of sodium (11 Na), ranging from 17 Na to 39 Na (except for the still-unknown 36 Na and 38 Na), and two isomers (22m Na and 24m Na). 23 Na is the only stable (and the only primordial) isotope. It is considered a monoisotopic element and it has a standard atomic weight of 22.989 769 28 (2).
UN 1230: 3: Methanol: UN 1231: 3: Methyl acetate: UN 1232? (UN No. no longer in use) Methyl acetone (UN No. no longer in use) UN 1233: 3: Methylamyl acetate: UN 1234: 3: Methylal: UN 1235: 3: Methylamine, aqueous solution UN 1236? (UN No. no longer in use) UN 1237: 3: Methyl butyrate: UN 1238: 6.1: Methyl chloroformate: UN 1239: 6.1: Methyl ...
1357 or 976 or 204. 1230 ( MCCXXX ) was a common year starting on Tuesday of the Julian calendar, the 1230th year of the Common Era (CE) and Anno Domini (AD) designations, the 230th year of the 2nd millennium, the 30th year of the 13th century, and the 1st year of the 1230s decade.
1230 AM. The following radio stations broadcast on AM frequency 1230 kHz: 1230 AM is a regional ( Class B) frequency outside the coterminous United States (Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands) and a local ( Class C) broadcast frequency within the coterminous 48 states. [1] [2]
Significant people. Births. Deaths. References. 1230s. The 1230s was a decade of the Julian Calendar which began on January 1, 1230, and ended on December 31, 1239. Events. 1230. By place. Byzantine Empire.
What is this information? The ERG recommendations are developed for use during the initial phase of transportation incidents ; they are not intended for spills at facilities. There are no initial isolation and protective action distances listed in the ERG.
