ASTM D2043-94(2007) PDF

1.1 This test method covers the qualitative identification of the presence or absence of materials in paper that will tarnish or stain silver which comes in contact with the paper. This test method is chiefly intended for testing tissue papers that are in direct contact with silver. The test results indicate the type of tarnish or stain and the relative distribution of the materials causing such tarnishing or staining.

Note 1 - The main material in paper causing silver to tarnish or stain is reducible sulfur, which may be determined in accordance with Test Method D 984.

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.