Set attributes of isotope objects

Set an attribute of an existing isotope value object.

set_attrib(iso, minor = NULL, major = NULL, compound = NULL,
  compound2 = NULL, ref = NULL, ref_ratio = NULL, ctop = NULL,
  cbot = NULL, unit = NULL)

Arguments

iso	the isotope value object to update
minor	the name of the minor isotope
major	the name of the major isotope
compound	name of the compound the isotopic values belong to [optional]
ref	name of the reference material (delta values only)
ref_ratio	- value of the reference material (delta values only)
ctop	name of the compound representing the top isotope ratio in a fractionation_factor
cbot	name of the compound representing the bottom isotope ratio in a fractionation_factor
unit	unit for intensity value objects

See also

Other data type attributes: get_name, get_value, get_weighted_value, get_weight, switch_notation, weight