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ASTM-D6143:2009 Edition(Redline)

ASTM-D6143:2009 Edition(Redline)

$23.40

D6143-09 Standard Test Method for Iron Content of Bisphenol A (4,4´ – Isopropylidenediphenol) (Redline)

Published By Publication Date Number of Pages
ASTM 2009 4
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Significance and Use

Iron may increase the color of bisphenol A and affect other properties of end-use products.

High purity bisphenol A typically has less than 1 mg/kg of iron.

1. Scope

1.1 This test method covers the procedure to determine the iron content of bisphenol A (4,4 ′ -isopropylidenediphenol).

1.2 This test method has a lower detection limit of 0.1 mg/kg, and an upper limit of 10 mg/kg of iron in bisphenol A. If the iron content is higher, it may be necessary to dilute the sample. A longer path length cell can also be used for better accuracy at lower Fe levels, as well as calibration within the range expected (for example, 0 to 1 mg/kg versus 0 to 10 mg/kg for samples expected to be in the 0 to 1 mg/kg range.

1.3 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29 .

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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 limits prior to use. For a specific hazard statement, see Section 8.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D1193 Specification for Reagent Water D4297 Practice for Sampling and Handling Bisphenol A (4,4 -Isopropylidinediphenol) D6809 Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

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