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Historical Version s – view previous versions of standard. Current edition approved Jan. Preparation of Samples 9.
Follow the procedure for the concentration-ratio method in accordance with Practice E Make the necessary corrections either by adjusting the controls on the readout or by applying arithmetic corrections. F d-c charged Inductance,?
The technique of analyzing reference materials along with unknowns and performing the indicated mathematical corrections may also be used to asmt for interference effects and to compensate for errors resulting from instrument drift. The results for each individual laboratory is on?
A variety of such systems are commonly used. Cracks, voids, pits, moisture, or inclusions will limit the sampling and the accuracy of a determination. Any of these that will achieve analytical accuracy equivalent to that reported for this test method are acceptable. Calculation of Results This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? A variety of such systems are commonly used.
A minimum of three reference materials shall be used for qstm element.
Spectrometer characteristics for two of the instruments used in this test method are described as having dispersion of 0. Active view current version of standard. The precision data for the astmm unknowns is shown in Table 2.
Link to Active This link will always route to the current Active version of the standard. This procedure is suitable for manufacturing control and inspection testing.
ASTM International – Standard References for ASTM E – 14
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Equipment varies among laboratories. The samples must be sufficiently ashm to prevent overheating during the discharge and of a similar metallurgical condition and composition as the reference materials.
B Either iron line Using reference materials supplied with the unknowns, in-house reference materials, NBS and British Certi? Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
The following mold types have been found to produce acceptable samples.
ASTM E1086 – 14
This procedure is suitable for manufacturing control and inspection testing. The samples must be sufficiently massive to prevent overheating during the discharge and of a similar metallurgical condition and composition as the reference materials.
Department of Commerce, Gaithersburg, MD The technique of analyzing reference materials with unknowns and performing the indicated mathematical corrections may also be used to correct for interference effects and to compensate for errors resulting from instrument drift. The resulting surface should be uniformly plane and free of defects. Prepare the surface of the specimens and reference materials in a similar manner.
E — 94 Excitation and Exposure