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