Chemistry: analytical and immunological testing – Composition for standardization – calibration – simulation,...
Reexamination Certificate
2006-02-21
2006-02-21
Wallenhorst, Maureen M. (Department: 1743)
Chemistry: analytical and immunological testing
Composition for standardization, calibration, simulation,...
C436S164000, C436S183000
Reexamination Certificate
active
07001773
ABSTRACT:
An artificial test soil is composed of particulate, hair, and fiber components, wherein the particulate component consists of mineral, food, and plant materials, so chosen and proportioned as to correlate to a typical soil found in the home. The test soil may be used to test cleaning products by application of a known amount thereof to a surface, cleaning the surface, and determination of the amount of soil removed from the surface.
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Annual Book of ASTM Standards, D5438-94; Standard Practice for Collection of Floor Dust for Chemical Analysis.
Gipp Mark M.
Lepow Jacqueline V.
Padden Timothy J.
Singsank Craig A.
Wietfeldt John R.
S.C. Johnson & Son Inc.
Wallenhorst Maureen M.
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