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1xAPI Spec 6DSS Errata 3
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1xISO 11812:2020
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1xPIP PN12CG0T01
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1xADA 1041-2006
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1xASTM F1276-23
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1xAPI Spec 16C Errata 2
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1xADA 62-2005 (R2015)
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1xPIP PN15SD0S01
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1xPIP DMDDC001
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1xULC 515
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1xISO 16073-9:2020
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1xISO 13776:2020
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1xPIP INEG2000
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1xASTM F2178/F2178M-23
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1xASTM E736/E736M-19(2023)
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No products
AATCC 168-2002
AATCC 168-2002 Chelating Agents: Active Ingredient Content of Polyaminopolycarboxylic Acids and Their Salts; Copper PAN Method
standard by American Association of Textile Chemists and Colorists, 01/01/2002
Full Description
1. Purpose and Scope
1.1 This test method is an alternate to AATCC Method 149, Chelating Agents: Chelation Value of Aminopolycarboxylic Acids and Their Salts; Calcium Oxalate Method.1.2 The active content of ethylenefiaminetetraacetic acid (EDTA), N-hydroxyethylenediaminetriacetic acid (HEDTA) and diethylenetriaminepentaacetic acid (DTPA) and their salts is usually expressed by the calcium chelation value (CaCV). Titration with calcium salt using either oxalate or a dye indicator, as done in AATCC Method 149, yields a value which includes partially substituted EDTA, HEDTA, DTPA, nitrilotriacetic acid (NTA), iminodiacteic acid (IDA), glycolate and other weak chelating agents found in some commercial products. This alternative procedure excludes the effect of partially substituted products, providing a more stringent value.
