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ASTM E2469-16
Standard Test Method for Chloride in Mono-, Di- and Tri-ethylene Glycol by Ion Chromatography
Automaticky přeložený název:
Standardní testovací metoda pro chlorid v mono-, di- a tri-ethylenglykol iontovou chromatografií
NORMA vydána dne 1.1.2016
Informace o normě:
Označení normy: ASTM E2469-16
Datum vydání normy: 1.1.2016
Kód zboží: NS-633422
Počet stran: 10
Přibližná hmotnost: 30 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM E2469-16 :
Keywords:
chloride, DEG, diethylene glycol, IC, ion chromatography, MEG, monoethylene glycol, TEG, triethylene glycol,, ICS Number Code 71.040.40 (Chemical analysis)
Doplňující informace
| Significance and Use | ||||||||
|
4.1 This test method provides for the quantitative determination of inorganic chloride (chloride ion) in monoethylene glycol (MEG), diethylene glycol (DEG) and triethylene glycol (TEG) using ion chromatography with conductivity detection. The analysis time is less than 5 min with little or no sample preparation required. Conductivity detection is a universal detection mode and is linear over the range of the method. Acceptable levels of chloride in polyester-grade and low-conductivity-grade MEG vary with the manufacturer’s specifications but are normally in the low mg/kg range. Knowledge of the chloride content in polyester-grade and low-conductivity-grade MEG is required to establish whether the MEG product meets specification requirements. 4.2 Glycols have high viscosities and a dilution with high quality deionized water may be required depending on the capability of the autosampler, if used, to deliver the injection. All standards and samples, whether diluted or not should be treated in the same manner. |
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| 1. Scope | ||||||||
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1.1 This test method covers the determination of inorganic chloride (chloride ion) in monoethylene glycol (MEG), diethylene glycol (DEG) and triethylene glycol (TEG) in the range of 0.01 to 1.0 mg/kg by ion chromatography (IC). 1.2 Ethylene glycol can be analyzed directly by this test method without any sample preparation or diluted with high quality deionized water if an autosampler is used and dilution is necessary (that is, 50:50 or other suitable ratio). 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3.1 The exception is the additional information of (psi) in 9.3.3, 11.1.1, and 11.2.1. 1.4 Review the current Safety Data Sheets (SDS) for detailed information concerning toxicity, first-aid procedures and safety precautions. 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 to determine
the applicability of regulatory limitations prior to use.
Standard Practice for Sampling Industrial
Chemicals Standard Specification for Reagent
Water Standard Practice for Applying
Statistical Quality Assurance and Control Charting Techniques to
Evaluate Analytical Measurement System Performance (Includes all
amendments and changes 12/12/2023). Standard Practice for Determining the
Precision of ASTM Methods for Analysis and Testing of Industrial
and Specialty Chemicals (Withdrawn 2009) |
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