MaTestLab > Test Standards > ASTM E299 Standard Test Method for Trace Amounts of Peroxides in Organic Solvents
Last updated 11th March 2025
ASTM E299 Standard Test Method for Trace Amounts of Peroxides in Organic Solvents
The ASTM E299 test method is used to analyze organic solvents with active oxygen levels ranging from 5 to 80 µg/g (ppm) or higher. It can be extended to cover the range from 0 to 5 ppm using a particular reaction-absorption cell. ASTM E299 can detect various types of peroxides, including hydroperoxides, diacyl peroxides, diaroyl peroxides, peresters, and ketone peroxides. It applies to solvents like hydrocarbons, alcohols, ethers, ketones, esters, and olefinic solvents, as well as compounds with specific types of unsaturation. Solid samples soluble in acetic acid-chloroform can also be analyzed.
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ASTM E299 Introduction
The scope of this test method includes the analysis of dilute peroxide solutions in various organic solvents, commonly used as catalysts or reaction initiators in tests. Additionally, it covers the detection of peroxides produced through autoxidation in certain plants, which can include ethers, acetals, dienes, and alkyl aromatic compounds.
ASTM E299 Test Method
Solution Preparation and Deaeration
In the procedures outlined in ASTM E299, samples are dissolved in a mixture of acetic acid and chloroform. The solution is deaerated before adding the potassium iodide reagent solution.
Reaction in the Dark
The mixture reacts for an hour, releasing iodine in the dark. The solution’s absorbance is measured to find the active oxygen content. A de-aerated cell is used, and measurements are taken at 410 nm for accuracy.
E299 Equipment and Sample Preparation
Specimen Detail
This test method covers organic solvents containing active oxygen in the range of 5 to 80 µg/g (ppm) or higher.
Specimen Size
Specimen size is not stated for ASTM E299
E299 Test Result and Interpretation
In this test method, calculations are performed to determine both the quantity of active oxygen contained within the sample and the corresponding density values.
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ASTM E299 Testing
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Tests Related to ASTM E299
ASTM E299 is related to tests, including ASTM D1193 for reagent water specification and ASTM E180 for testing procedures for industry-grade chemicals.
Use of E299 in Various Industries
It is a critical method used in industries such as chemical manufacturing, pharmaceuticals, and petrochemicals to ensure safety and quality in organic solvents by detecting trace levels of peroxides, which may degrade chemical stability or cause an explosion.
Materials Commonly Tested with E299
This test checks upon materials such as ether based solvents, hydrocarbons, alcohols, and volatile organic compounds for safety and performance as they tend to form peroxide and are commonly used in industry.
Common Challenges and Troubleshooting in E299 Testing
Testing is hindered by sample contamination, poor handling and interference from solvents. Troubleshooting will ensure fresh stored reagents, extremely clean glassware, as well as adherence to the recommended sample handling protocols in reducing variability and ensuring proper peroxide detection.
Safety and Best Practices in E299 Testing
The volatile samples require safety in testing. Best practices include well-ventilated areas, PPE, and strict reagent handling. Accurate titration and avoiding peroxide buildup in solvent storage mitigate risks.
Importance of E299
This specification is important for safety and product reliability in industries using organic solvents. It detects trace peroxides and quantifies them to avoid explosive situations and damage to equipment.
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Where can I get the astm e299 tested?
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Please contact us for a detailed quote for your astm e299 testing needs. Cost incurred to carry out different astm e299 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm e299?
The required number of samples or specimens should comply with the procedure given in the astm e299 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm e299 test?
The turnaround time for astm e299 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm e299 tested?
You can share your astm e299 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e299 test to various testing techniques.
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