#TITLE: 	Plutonium 239 calibration
#DESCRIPTION:	Calibration by ETV-ICP-MS
#VARIABLES:	Pu; concentration of plutonium239. R1, R2, R3: repeated analytical response
#UNITS:	picogrammes per millilitre
#REFERENCE_VALUES:	None
#APPLICATION_SECTOR:	Environmental
#ANALYTE:	Plutonium 239
#MATRIX_TYPE:	General
#RATIONALE:	Analytical calibration
#DATA_TYPE:	Bivariate
#DATA_STRUCTURE:	Repeat responses
#CONDITIONS:	Randomised repeatability
#ORIGIN:	Experimental
#DATE_OF_ORIGIN:	1994
#AUTHOR:	R Cox
#AUTHOR_ADDRESS:	School of Biological and Chemical Sciences, Birkbeck College (University of London), Malet Street, London WC1E 7HX	 
#LITERATURE_REFERENCES:	Analyst, 1994, 119, 2363-2366.


Pu	R1	R2	R3
0	13	17	14
10	710	709	768
20	1494	1453	1482
30	2117	2207	2136
40	3035	2939	3160
50	3604	3677	3479
60	4348	4222	4441
70	5045	5374	5187