MaTestLab > Test Standards > ASTM E394 Iron in Trace Quantities Using the 1,10-Phenanthroline Method
Last updated 14th March 2025
ASTM E394 Iron in Trace Quantities Using the 1,10-Phenanthroline Method
ASTM E394 is a standard method for determining the presence of iron in trace quantities in various samples using the 1,10-phenanthroline method. This technique detects iron ions based on their reaction with 1,10-phenanthroline to form a colored complex. The results are crucial for various lab settings and are used to enhance various industrial applications.
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ASTM E394 Introduction
ASTM E394 is an important test method to quantify iron in natural and synthetic materials to assess their quality and durability. In this method, the presence of iron is determined, which has significant implications for various industrial processes, environmental assessments, and health considerations. The iron present in samples where the levels are low, or trace, is determined, which ensures regulatory compliance and assesses environmental impact. MatestLab is one of the best testing service providers, with the best network of testing laboratories in the USA to carry out ASTM E394 tests for our clients. ASTM E394 is used for reliability checks, performance evaluation, and specification purposes.
ASTM E394 Test Method
The method proceeds as follows:
Service Name
Remarks
ASTM E394 Testing
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Digestion and Reaction
The ASTM E394 involves digesting the prepared samples using chemical reagents to solubilize iron compounds. The digested sample is then reacted with 1,10-phenanthroline reagent to form a colored complex with iron ions.
Calibration and Calculation
The absorbance of the colored complex is measured and correlated with iron concentrations using a calibration curve. The iron concentrations are determined based on the calibration curve and absorbance data.
E394 Equipment and Sample Preparation
Specimen Details
The ASTM E394 specimens used are water, soil, sediments, industrial effluents, and biological fluids.
Specimen dimensions
The acceptable specimen size varies with the testing requirements.
Specimen Preparation
The ASTM E394 specimens are prepared by digestion to extract iron ions.
E394 Results and Interpretation
The results obtained from the ASTM E394 test method help determine iron concentrations in samples alongside assessing water quality, monitoring soil contamination, evaluating corrosive rates, and ensuring compliance with regulatory standards. These findings contribute to effective risk assessment, pollution prevention, and resource management strategies.
Tests Related to ASTM E394
ASTM E394 is similar to other standard methods, such as ASTM D1687 and ASTM D1976, used for determining the trace elements and trace metals in water by atomic absorption spectrophotometry, respectively.
Use of E394 in Various Industries
It is very important in several industries such as metallurgical, water treatment, and food production for trace iron detecting. It ensures metal purity, monitors iron contamination levels in drinking and wastewater. It also evaluates the quantity of iron in products against safety standards and nutritional improvement.
Materials Commonly Tested with E394
The method is used for testing aqueous solutions, industrial chemicals, metallurgical samples, and environmental matrices, especially to analyze iron in high-purity materials, where trace levels can significantly impact the quality of the end product.
Common Challenges and Troubleshooting in E394 Testing
Testing interferes with metal ions like copper and manganese, thereby affecting the accuracy of the colorimetric analysis. Troubleshooting involves adjustment of pH, masking agents, and freshly prepared reagents like 1,10-phenanthroline for maintaining test reliability.
Safety and Best Practices in E394 Testing
Standard safety involves handling acidic reagents and chemicals safely, using PPE, working in a well-ventilated area, and ensuring precise reagent measurement. Proper disposal of chemical waste is necessary for environmental compliance.
Importance of E394
The standard is critically important for the quality control and industry-specific standards because it finds trace iron accurately, ensuring product integrity, helping follow regulations, and ensuring user health in such industries as water treatment, metallurgy, and food production.
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FAQ's
Where can I get the astm e394 tested?
You can share your astm e394 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 e394 test to various testing techniques.
How much do I need to pay for the astm e394 test?
Please contact us for a detailed quote for your astm e394 testing needs. Cost incurred to carry out different astm e394 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 e394?
The required number of samples or specimens should comply with the procedure given in the astm e394 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 e394 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 e394 test?
The turnaround time for astm e394 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 e394 tested?
You can share your astm e394 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 e394 test to various testing techniques.
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