Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Spin within two (2) hours of sample collection
Lt green plasma separator (PST)
Immediately following collection, mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Refrigerated - 7 days
Ambient - 7 days
Ion Selective Electrode -Indirect
98 -107 mmol/L