Norm

ASTM D2930 - 03 en

Standard Test Method for Maleic Acid in Maleic Anhydride by Potentiometric Titration (Withdrawn 2012)

45,11 54,58 Incl BTW

Over deze norm

Status Definitief
Aantal pagina's 2
Gepubliceerd op 10-01-2003
Taal Engels

1.1 This test method covers the determination of free maleic acid in refined maleic anhydride by potentiometric titration.

1.2 This test method is applicable for all concentrations of maleic acid; however, it is primarily used for concentrations below 0.5 %.

1.3 The following applies to all specified limits in this standard: For purposes of determining conformance with this standard, an observed value or a calculated value 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.

1.4 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. For specific hazard statements, see Section 7.

Details

ICS-code 71.080.50
Engelse titel Standard Test Method for Maleic Acid in Maleic Anhydride by Potentiometric Titration (Withdrawn 2012)

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