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Normas ASTM – AENOR
ASTM D6020-00(2010)

ASTM D6020-00(2010)

Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage

Fecha:
2016-09-27 /Historical
Superseeded by:
Significance and Use:

This practice may be used to determine non-protein or non-nitrogen containing organic matter in leather which is not extractable with water or hexane. Examples would be vegetable tannins and acrylic lubricants.

Scope:

1.1 This practice covers the determination of the combined tannin and nonextractable organic resins and the degree of tannage of all types of vegetable-tanned leather and leather with organic retannages. This practice does not apply to wet blue.

Keywords:
combined tannins; degree of tannage; leather; tannin analysis; vegetable-tanned leather; Non-mineral tanning agents; Tanning analysis/materials; Vegetable-tanned leather
44,43
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