ASTM F843-98(2003)

ASTM F843-98(2003) - 10.12.1998

1. Scope

1.1 This test method provides a procedure to determine the color strength of dry or flushed alkali blue pigment in hot melt carbon copy paper ink compared to an alkali blue control mutually agreed upon by the purchaser and supplier.

1.2 This standard does not purport to address all of the safety problems, 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. Specific precautionary statements are given in 8.7.1, 9.1, and 9.2.1.

2. Referenced Documents

F597-83(1998)e1	Standard Practice for Evaluation of One-Time Carbon Paper in Carbon-Interleaved Business Forms by Use of an Electric Typewriter
D1210-05(2022)	Standard Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage
PH2.18	Density Measurements--Spectral Conditions
F497-00	Standard Practice for Use of the Electric and Electronic Typewriter as a Test Instrument
F221-98	Standard Terminology Relating to Carbon Paper and Inked Ribbon Products and Images Made Therefrom
F149-92b(1997)	Standard Terminology Relating to Optical Character Recognition
F129-97	Standard Practice for Amount of Ink Deposit on Carbon Paper and Inked Ribbons, Other Than Fabric Type
D3460-07	Standard Specification for White Watermarked and Unwatermarked Bond, Reprographic, and Laser Printer Cut-Sized Office Papers (Withdrawn 2014)