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. 2022 May 31;4:47. Originally published 2019 Mar 8. [Version 3] doi: 10.12688/wellcomeopenres.15141.3

Table 3. Absolute recovery in heparin plasma.

Concentration/ Sample: No: 1 No: 2 No: 3 No: 4 No: 5 Average SD RSD
QC 1, 2.97 µg/ml 33% 33% 28% 28% 34% 30% 3.00 9.88%
QC 3, 155 µg/ml 34% 38% 35% 34% 35% 35% 1.87 5.27%
IS for QC 1, 2 µg/ml 100% 101% 100% 98% 102% 100% 1.05 1.05%
IS for QC 3, 2 µg/ml 97% 99% 97% 99% 98% 98% 0.96 0.98%

QC, Quality Control; IS, internal standard.