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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. Summary of Test Method 4.
A minimum of three reference materials e0186 be used for each element. The samples must be sufficiently massive to prevent overheating during the discharge and of a similar metallurgical condition and composition as the reference materials.
The agreement between the results obtained by chemical methods and those obtained by this test method is displayed in Table 3. Precision and Bias 2 The stand shall provide an atmosphere of argon and may be water cooled. There shall be at least three calibrants for each element, spanning the required concentration range. Grinding materials with grit sizes ranging from 60 to have been found satisfactory.
Repeat with different random sequences at least four times. If readings are not in conformance, repeat the standardization. Any of these that will achieve analytical accuracy equivalent to that reported for this test method are acceptable.
Current edition approved Jan. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
E186, voids, pits, moisture, or inclusions will limit the sampling and the accuracy of a determination. At the end of the exposure period, the charge on each capacitor is measured, and displayed or recorded as a relative energy or concentration. One or more of the reference materials must closely approximate the composition of the specimen. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Spectrometer characteristics for two of the instruments used in this test method are described as having dispersion of 0.
Prepare the surface to be analyzed on a suitable belt or disk grinder. Using reference materials supplied with the unknowns, in-house reference materials, NBS and British Certi?
Historical Version s – view previous versions of standard. Calculation of Results The precision data for the three unknowns is shown in Table 2.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Individual reprints single or multiple copies of this standard may be astn by contacting ASTM at the above address or at phonefaxor service astm. Flush, s Preburn, s Integration, s 7 20 20 Argon Flow 0. Capacitance d-c charged ,?
ASTM E1086 – 14
Originally approved in If wet surfacing procedure is used, dry the specimens for proper excitation in the argon atmosphere. A variety of such systems are commonly used. The wall thickness of the mold should be 32 mm 1. Place the freshly surfaced specimen on the excitation stand in a manner to effect a gas-tight ast and adequate argon?
The ring is placed on a? Procedure for Excitation and 1e086 Measurement ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
E — 94 Calibration, Standardization, and Veri? Examine the specimen after each excitation to evaluate the quality of excitation. Automatic sequencing shall be provided to actuate ee1086 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.
ASTM International – Standard References for ASTM E – 14
A variety of such systems are commonly used. Successive excitations shall be sufficiently separated so that the discharge patterns do not overlap. The results for each individual laboratory is on? Link to Active This link will always route to the current Active version of the standard.
Department of Commerce, Gaithersburg, MD Avoid the center of cast specimens because there is more chance of quench cracks and segregation.