ASTM D7359 PDF

A number in parentheses indicates the year of last reapproval. A superscript epsilon? Scope 1. Samples containing 0. However, it is the responsibility of the analyst to verify the solubility of the sample in the solvent and that the diluted sample results conform to the precision and accuracy of the method.

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Akir It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This test method can be used to determine total sulfur and halogens aromatic hydrocarbon matrices, in?

Run a check standard to determine if the instrument needs to be recalibrated. Your Alert Profile lists the documents that will be monitored. Switching sample boats between each analysis may prove effective, provided sample size is not too large. ASTM D — 14a : Total Fluorine, Chlorine and Sulfur in Aromatic Hydrocarbons The inlet end shall allow for the stepwise introduction and advancement of a sample boat into the heated zone and shall have a side arm for the introduction of the humidi?

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. This test method can be used to determine total sulfur and halogens in aromatic hydrocarbons and their mixtures. These materials rapidly attack wool and leather. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

The use of a thermoelectrically cooled sample introduction area may be required to prevent premature volatilization of the sample before entering the combustion area. The autosampler may be used as long as the accuracy and performance of the method is not degraded. Retention times vary with operating conditions. Proceed to Checkout Continue Shopping. Eyes are particularly vulnerable to severe damage from alkalis.

Reagents and Materials 7. D — 08 Standard Test Method for This standard asym issued under the? After each standard concentration has been combusted, an aliquot of absorbing solution is introduced into the IC for separation and quanti? The concentration of phosphate in the absorbing solutions is used as an internal standard by the Ion Chromatograph.

Link to Active This link will always route to the current Active version of the standard. Mr Mrs Ms Dr Prof. In CIC the samples are first digested under an argon atmosphere in the oven unit and then burnt with oxygen. The combined system of pyrohydrolytic combustion followed by 3 Available from U. No other units of measurement are included in this standard.

Please first verify your email before subscribing to alerts. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

NOTE 11—A typical calibration would include a series of three to four standards containing the elements of interest and bracketing the concentrations astj are in the samples. Other suitable materials, weights and volumes may be substituted in preparing stock calibration standards as long as the performance of the method is not degraded. This astj is also available to be included in Standards Subscriptions. Multiple sequential injections shall be completed until a stable background is attained.

If bubbles are present in the liquid column,? However, it is the responsibility of the analyst to verify the solubility of the sample in the solvent and that the diluted sample results conform to the precision and accuracy of the method.

Once the boat has returned to the home position, allow a minimum of two minutes for cooling the boat before introducing the next sample. Related Articles.

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ASTM D7359 PDF

Vijin NOTE 8—An automatic sampling and injection device or autosampler can be d in place of the described manual injection procedure as long as the accuracy and performance of the method is not degraded. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Manage your subscriptions Newsletters. In the Absorber Module, the resulting gaseous compounds are passed into an absorption solution, which is then transferred inline to a Metrohm ion chromatography system, where adtm is analysed.

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ASTM D7359

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ASTM D7359 – 芳香族炭化水素およびその混合物中の全フッ素、塩素および硫黄の酸化的熱分解燃焼によるイオンクロマトグラフィー検出(燃焼イオンクロマトグラフィー-CIC)による標準試験法

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