Standard Practice for
Use of the Refractometer for Determining Nonvolatile Matter
(Total Solids) in Floor Polishes1

This standard is issued under the fixed designation D 4095; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This practice covers the use of a refractometer for
determining the nonvolatile matter (total solids) in floor
polishes. This practice is also applicable to resin solutions and
wax emulsions used in floor polishes.

1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

2.1 ASTM Standards:
D 1218 Test Method for Refractive Index and Refractive
Dispersion of Hydrocarbon Liquids2
D 2834 Test Method for Nonvolatile Matter (Total Solids)
in Water-Emulsion Floor Polishes, Solvent-Based Floor
Polishes, and Polymer-Emulsion Floor Polishes3

3. Summary of Practice

3.1 Solids (nonvolatile matter) and refractive index are used
as the basis for preparing curves that allow the use of refractive
index as a fast, accurate means for determining solids in floor
polishes, resin solutions, and wax emulsions.

4. Significance and Use

4.1 Solids (nonvolatile matter) determinations of polishes,
resin solutions, and wax emulsions take 2 to 4 h in accordance
with Test Method D 2834, not counting preparation time.

4.2 Curves of solids/refractive index provide a means for
determining solids in a matter of minutes.

4.3 This practice is particularly useful for quality control
and in process control for the production of polishes and polish
components.

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