5. Performance characteristics ABL800 FLEX Reference Manual
Performance test results – cCa
2+
Primary
reference
methods
The calcium transfer standards were used. These are traceable to NIST SRM915
and have an ionic strength of 160.0 mmol per kg of water and pH 7.40 at 37 °C,
using 1 mmol/L (37 °C) HEPES buffer.
The standards were produced as indicated in [4].
Bias
REF
The FLEXMODE on the ABL805/35 analyzers was tested:
cCa
2+
(mmol/L) Bias
REF
N
0.4879 0.038 150
1.2700 0.025 150
2.5657 0.052 150
N = number of measurements on several analysers used for the test.
Bias
ABL
– blood
samples
This bias is presented by the following chart:
Bias (%)
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