Hematological analyzer sampling probe cleansing composition and

Details Hematological analyzer sampling probe cleansing composition and Hematological analyzer sampling probe cleansing composition and

1998-09-29

2000-03-28

Gupta, Yogendra

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510181, 510182, 510289, 510332, 510356, 510405, 510413, 510421, 510499, C11D 172, C11D 330, C11D 708

Patent

active

060432055

ABSTRACT:
A cleansing composition and method of use are disclosed for cleansing a quantitatively aspirating sampling probe in an automated hematological analyzer. The cleansing composition is formulated to cleanse instantaneously on contact, and practically eliminates carry-over of hematological sample material, assaying reagents or of the cleansing composition itself. The cleansing composition is an acidic aqueous solution of pH 5.0 or less, including (1) a substance having a primary amino group; and (2) one or more nonionic surfactants selected from the group consisting of polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene alkyl ester and polyoxyethylene sorbitan ester.

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