Patent ID: 11921124
Assignee: SIEMENS HEALTHCARE DIAGNOSTICS INC.
Field: Measurement (Instruments)
Classification: CPC G  A  C | IPC A  C  G

Claim 11:
12. The method of claim 11, wherein a pH variation of +/−1.0 or less of the original pH is observed upon storage under at least one set of storage conditions selected from:
(a) storage for at least six months at a temperature in a range of from 1° C. to 8° C.;
(b) storage for at least 6 weeks at a temperature in a range of from 9° C. to 17° C.;
(c) storage for at least four weeks at a temperature in a range of from 18° C. to 32° C.;
(d) storage for at least 1 week at a temperature in a range of from 33° C. to 44° C.; and
(e) storage for at least 24 hours at a temperature in a range of from 45° C. to 50° C.