Preferred Label : sample;
Detailed label : sample in analytical chemistry;
IUPAC definition : A portion of material selected from a larger quantity of material. The term needs
to be qualified, e.g. bulk sample, representative sample, primary sample, bulked sample,
test sample. The term 'sample' implies the existence of a sampling error, i.e. the
results obtained on the portions taken are only estimates of the concentration of
a constituent or the quantity of a property present in the parent material. If there
is no or negligible sampling error, the portion removed is a test portion, aliquot
or specimen. The term 'specimen' is used to denote a portion taken under conditions
such that the sampling variability cannot be assessed (usually because the population
is changing), and is assumed, for convenience, to be zero. The manner of selection
of the sample should be prescribed in a sampling plan.;
Origin ID : S05451;
Automatic exact mappings (from CISMeF team)
- See also
A portion of material selected from a larger quantity of material. The term needs
to be qualified, e.g. bulk sample, representative sample, primary sample, bulked sample,
test sample. The term 'sample' implies the existence of a sampling error, i.e. the
results obtained on the portions taken are only estimates of the concentration of
a constituent or the quantity of a property present in the parent material. If there
is no or negligible sampling error, the portion removed is a test portion, aliquot
or specimen. The term 'specimen' is used to denote a portion taken under conditions
such that the sampling variability cannot be assessed (usually because the population
is changing), and is assumed, for convenience, to be zero. The manner of selection
of the sample should be prescribed in a sampling plan.
