By rowanjenkins | Last updated 28th February 2025

ASTM D7359 Total Fluorine, Chlorine, and Sulfur in Aromatic Hydrocarbons

ASTM D7359 is a standard method to quantify the level of different elements in aromatic hydrocarbons, which helps assess the purity and quality of aromatic hydrocarbon-based products like fuels, solvents, and chemical intermediates.

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    ASTM D7359 Introduction

    ASTM D7359 is an important test method to measure the level of different elements in hydrocarbons and their mixtures by oxidative pyrohydrolytic combustion followed by Ion Chromatography Detection (CIC).  It is important to evaluate the performance, compatibility, and environmental impact of aromatic hydrocarbons. The method is also used for reliability checks, research, and specification purposes.   

    ASTM D7359 Test Method

    The method involves sample preparation, combustion, and ion chromatography analysis, as follows:

    Service NameRemarks
    ASTM D7359 Test Method
    Expert Consultation
    Combustion ASTM D7359 involves preparing specimens according to specified procedures, ensuring homogeneity and consistency. The sample is then subjected to oxidative pyrohydrolytic combustion, where compounds are converted to ions. 
    Ion Chromatography DetectionThe products are then subjected to ion chromatography, which quantifies the individual ions in fluorine, chlorine, and sulfur. 

    D7359 Equipment and Sample Preparation

    Specimen DetailsThe specimens used are aromatic hydrocarbons and their mixtures such as fuels, solvents, and chemical intermediates.
    Specimen dimensionsThe acceptable specimen size varies with the test requirements.
    Specimen PreparationThe specimens are prepared, ensuring homogeneity and consistency. The test applies to samples varying in fluorine, chlorine, and sulfur concentrations. 

    D7359 Results and Interpretation

    The results obtained from the D7359 test method provide valuable information about the chlorine, fluorine, and sulfur content in aromatic hydrocarbons, which helps assess product quality, applicability, and standardization requirements. The method enables manufacturers to make informed decisions about the product composition, ensuring the safety of aromatic hydrocarbon-based products.  

    D7359 Test Standard

    Tests Related to D7359

    D7359 is similar to other standard methods, such as ASTM D8084 and ASTM D8083, which address elemental analysis and chromatographic techniques. 

    Use of D7359 in Various Industries

    In the petrochemical, pharmaceutical, and specialty chemical industries, this stanadrad is pertinent due to the need to comply with environmental regulations, product specifications, and purity of raw materials. It helps in quality control for both intermediate and finished products.

    Materials Commonly Tested with D7359

    The test method is intended for use in testing aromatic hydrocarbon-containing materials such as benzene, toluene, and xylene, as well as hydrocarbon blends and intermediates in polymer manufacture, solvents, and high-performance chemicals with provision for application flexibility.

    Common Challenges and Troubleshooting in D7359 Testing

    Sample contamination, incomplete combustion, and interference in chromatographic ion analysis are challenges associated with testing. Troubleshooting requires careful sample handling, regular combustion system calibration, and optimal separation conditions in order to avoid false positives or negatives.

    Safety and Best Practices in D7359 Testing

    Testing requires adequate ventilation and personal protective equipment. However, careful handling of chemicals is also required. Best practices include maintaining high-purity reagents, keeping the combustion equipment clean, and periodically training labor on safety and accurate working.

    Importance of D7359

    standard is vital for the accurate quantification of fluorine, chlorine, and sulfur; hence it guarantees quality assurance, regulatory compliance, and environmental safety. Industries are assisted in reducing emission, finding product consistency, and meeting market and environmental specifications.

    PDF Link for Standard Test Method for Total Fluorine, Chlorine and Sulfur in Aromatic Hydrocarbons and Their Mixtures by Oxidative Pyrohydrolytic Combustion followed by Ion Chromatography Detection (Combustion Ion Chromatography-CIC)

    FAQ's

    Where can I get the astm d7359 tested?

    You can share your astm d7359 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 d7359 test to various testing techniques.

    How much do I need to pay for the astm d7359 test?

    Please contact us for a detailed quote for your astm d7359 testing needs. Cost incurred to carry out different astm d7359 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 d7359?

    The required number of samples or specimens should comply with the procedure given in the astm d7359 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 d7359 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 d7359 test?

    The turnaround time for astm d7359 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 d7359 tested?

    You can share your astm d7359 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 d7359 test to various testing techniques.

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