Patent ID: 9091677
Filing Date: 2015-07-28
Classification: C12Q,G01N

Abstract:
1. A composition for use in an automated cellular analyzer that uses liquid volumetric metering, the composition comprising: a) a chelating agent present at a concentration of about 2.7 g/l to about 3.3 g/L, b) an ionizing salt, and c) a non-hemolytic surfactant present at a concentration of about 0.1 g/L to about 3.0 g/L, wherein the composition is non-hemolytic, has a pH of about 6.5 to about 7.5, has less than 1 part-per-million of formaldehyde over a period of at least one year, and wherein the surface tension of the composition is between about 40 dynes/cm and about 66 dynes/cm.