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Significance and Use
4.1 Knowledge of the total aldehyde content of monoethylene glycol is required to establish whether the product meets the requirements of its quality specifications.
1.1 This test method describes the spectrophotometric determination of total aldehyde content in the range of 0.5 to 50 mg/kg (as acetaldehyde) or 0.3 to 35 mg/kg (as formaldehyde) in mono-, di-, and triethylene glycol (MEG, DEG and TEG). Alkoxyalcohols (hemiacetals), if present, are co-determined, whereas dialkoxyalkanes (acetals), if present, are not. The results provide a measure of the purity of the sample with respect to total aldehyde content.
1.2 Review the current Safety Data Sheets (SDS) for detailed information concerning toxicity, first aid procedures, and safety precautions for all materials used in this test method.
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.
D1193 Specification for Reagent Water
D2194 Test Method for Concentration of Formaldehyde Solutions
E180 Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals
E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers
E288 Specification for Laboratory Glass Volumetric Flasks
E300 Practice for Sampling Industrial Chemicals
E969 Specification for Glass Volumetric (Transfer) Pipets
Other DocumentManufacturers Instruction Manual of Spectrophotome
ICS Number Code 71.040.40 (Chemical analysis)
UNSPSC Code 12352305(Inorganic hydroxides)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM E2313-15, Standard Test Method for Aldehydes in Mono-, Di-, and Triethylene Glycol (using Spectrophotometry), ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top