Standard Test Method for Analysis of Carbon and Low-Alloy Steel by Spark Atomic Emission Spectrometry – ASTM E Standard Number, ASTM E – Title, Standard Test Method for Analysis of Carbon and Low-Alloy Steel by Spark Atomic Emission. Designation: E − 15Standard Test Method for Contact ASTM Customer Standards volume information, refer to the standard’s Document Summary page.
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Current edition approved Nov. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Other specimens may exhibit greater or less variability using the ast instrument and excitation conditions.
Last previous edition E — Clean the lens or protective window after approximately to excitations to minimize transmission losses.
The spectrometer shall be provided with an air inlet and a vacuum outlet. Make certain that the specimens are homogeneous and free from voids and pits in the region to be excited Note 5. Ast to Practice E for steel sampling procedures.
It is designed for chill-cast, rolled, and forged specimens. H Resistance, V Peak voltage, V residual 2.
Other internal standard and analytical lines, such as those listed in Table 2, may be used provided that it can be shown experimentally that equivalent precision and accuracy are obtained. Link to Active This link will always route to the current Active version of the standard. Better performance is expected when reference materials and specimens are of similar metallurgical condition and composition.
It is designed for either chill-cast or rolled and forged specimens. Masks shall be provided in the spectrometer to eliminate scattered radiation.
ASTM E415 – 17
It is assumed that all who use this test method will be analysts capable of performing common laboratory procedures skillfully and safely. NOTE 10—When parameter values are established, maintain them carefully.
The ring is placed on a? Additional data for withinlaboratory variability of results, obtained by analyzing three specimens of one material in seven laboratories in accordance with source conditions speci?
If results do not fall within the control limits established in Copyright Compu-tecture, Inc. The absorption of the radiation by air in this region is overcome by evacuating the spectrometer and?
Included, in addition to the original data of Test Method E — 71, are data from cooperative testing of a broader range of reference materials to expand the element concentration ranges. With a thoriated tungsten electrode, it has been reported that a hundred or more excitations can usually be made before replacement. 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.
However, it is not required for all applications of this standard.
No items in cart. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
The discharge is terminated at a predetermined intensity time integral of qstm selected iron line, or at a predetermined time, and the relative radiant energies or concentrations of the analytical lines are recorded.
Once established, maintain the parameters consistently. Make the necessary corrections either by adjusting the controls on the readout or by applying arithmetic corrections.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Automatic sequencing shall be provided to actuate the? This shall be done initially and as often as necessary thereafter to maintain proper alignment.
The primary slit width is 20 to 50? Originally published as E — B Quantitative range in accordance with Practice E NOTE 3—A pump with a displacement of at least 0. NOTE 8—The lines listed in Table 1 have proven satisfactory for the elements and concentration ranges described in the scope.
Means of changing the? If within the potential range the tube is either too sensitive or too insensitive for the element concentration range, select another photomultiplier.
Rough grind the cut surface by grinding on a belt surfacer, either wet or dry, with 50 to grit abrasive belt. B Interferences are dependent upon instrument design, dispersion, spectrum line choices, and excitation conditions, and those listed require con? Active view current version of standard.