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Significance and Use
This test method provides a measurement of acidity (as formic acid) in formaldehyde solutions. The results of these measurements can be used for specification acceptance.
1.1 This test method covers the determination of the acidity of commercially available formaldehyde solutions.
1.2 For purposes of determining conformance of an observed or a calculated value using this test method to relevant specifications, test result(s) shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E 29
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 For hazard information and guidance, see the supplier's Material Safety Data Sheet.
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 limitations prior to use. Specific hazard statements are given in Section 7.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D2380 Test Method for Methanol Content of Formaldehyde Solutions
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
ICS Number Code 71.080.80 (Aldehydes and ketones)
UNSPSC Code 12352501(Formaldehydes)
ASTM D2379-09, Standard Test Method for Acidity of Formaldehyde Solutions, ASTM International, West Conshohocken, PA, 2009, www.astm.orgBack to Top