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Significance and Use
5.1 These test methods are designed to determine the purity of rubber chemical accelerators.
5.2 Since the results of these test methods are based on an integrated peak area, it is assumed that all analytes of interest are resolved from interfering peaks.
1.1 These test methods cover the determination of the purity of present commercially available rubber chemical accelerators in the range from 80 to 100 % by high performance liquid chromatography (HPLC) using ultraviolet detection and external standard calculations.
1.2 Expertise in HPLC is necessary to the successful application of these test methods.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D3853 Terminology Relating to Rubber and Rubber Latices--Abbreviations for Chemicals Used in Compounding
D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
D4571 Test Methods for Rubber Compounding Materials--Determination of Volatile Material
D4936 Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration
ISO StandardISO6472 Rubber Compounding Ingredients--Abbreviations
ICS Number Code 71.080.30 (Organic nitrogen compounds)
UNSPSC Code 12350000(Compounds and mixtures)
ASTM D5297-95(2014), Standard Test Methods for Rubber Chemical Accelerator—Purity by High Performance Liquid Chromatography, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top