ASTM E324 is a standard test method for relative initial and final melting points and the melting range of organic chemicals. A narrow melting range and a high final melting point are good indications of high purity in crystalline organic compounds.
ASTM E324 Standard Test Method for Relative Initial and Final Melting Points and the Melting Range of Organic Chemicals
What is ASTM E324?
What is the Scope of ASTM E324?
ASTM E324 is used to determine the relative initial and final melting points and melting range of organic chemicals across diverse areas of chemistry to get a first impression of a substance’s purity. This is because even small quantities of impurities change the melting point, or at least clearly enlarge its melting range.
- The capillary tube method is used to determine the initial and final melting points, which define the melting range.
- This method is suitable for organic chemicals whose melting points without decomposition fall between 30 °C and 250 °C.
- This test method is applicable only to crystalline materials that are sufficiently stable in storage.
- This test method is not directly applicable to opaque materials or to noncrystalline materials such as waxes, fats, and fatty acids.
For specification purposes, a minimum allowable purity can be assured by setting limits on the differences in final melting points and the melting ranges between the standard sample and the sample under test. The test is an important technique for gauging the purity of organic and pharmaceutical compounds. MP determination is a fast, cost-effective technique well utilized in the literature.
ASTM E324 Sample Requirements and Equipments
Crystalline organic compounds are collected to measure final melting points and melting range per ASTM E324. This test method applies only to stable crystalline organic chemicals whose melting points, without decomposition, fall between 30 °C and 250 °C. This method is not used to determine melting ranges of waxes, fats, and fatty acids. A capillary tube apparatus is used for this test method.
ASTM E324 Testing Procedure and Requirements
The ASTM E324 test method covers determining, by a capillary tube method, the initial and final melting points, which define the melting range, of samples of organic chemicals whose melting points, without decomposition, fall between 30 and 250°C.
The accuracy of a melting point record is assured by: (a) careful sample preparation, (b) proper instrument setup, and (c) routine calibration of the instrument’s temperature scale against certified melting point standards.
ASTM E324 Result Analysis and Interpretation
The initial and final melting points defining the melting range of a crystalline organic sample are obtained through this test method.
FAQ
Where can I get the astm e324 tested?
You can share your astm e324 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 e324 test to various testing techniques.
How much do I need to pay for the astm e324 test?
Please contact us for a detailed quote for your astm e324 testing needs. Cost incurred to carry out different astm e324 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 e324?
The required number of samples or specimens should comply with the procedure given in the astm e324 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
How much discount can I get on the astm e324 test?
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 e324 test?
The turnaround time for astm e324 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.
Testimonials
Real results
Engineers trust us with what matters most
“We had a great experience working with this company for our ASTM E84 testing. They were the first company to respond to our inquiry within just a few minutes of submitting it. From start to finish, the communication was excellent, and the entire process was swift, straightforward, and hassle-free.”
“Very good communication, testing associates were very patient with delays on our end. Reasonable turnaround time for results and nicely detailed report. Analysts were also quick to answer any follow-up questions. Happy with results.”
“Matestlab connected us with an accredited lab within days, cutting weeks off our product validation timeline.”
Start Your Testing
Project Today
Project Today
Define your requirements and get access to
specialized laboratories ready to deliver results
specialized laboratories ready to deliver results
Start Testing
Partners with us
Clients
Vendors