ASTM ER Standard Test Method for Determination of Hydrogen in Titanium and Titanium Al_材料科学_工程科技_专业资料。. ASTM E() Standard Test Method for Determination of Hydrogen in Titanium and Titanium Alloys by Inert Gas Fusion Thermal Conductivity/Infrared. Buy ASTM E TEST METHOD FOR DETERMINATION OF HYDROGEN IN TITANIUM AND TITANIUM ALLOYS BY INERT GAS.
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No other units of measurement are included in this standard. 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. Ast, there is evidence that the repeatability of the particular instrument is not acceptable for use with this test method.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. E Standard Reference Material under development: The accuracy of this test method may be judged by comparing the results obtained from certi? Analyze at least three reference material specimens to determine the calibration slope Note 8. The prediction interval is de?
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. Other methods, such as turning down on a lathe, may be employed for reducing sample size and removing the surface of the sample Note 3.
In this case instrument response must always be ashm
NOTE 16—If the analyzer does not offer these functions, calculate the hydrogen content by the following method: Precision and Bias Use a fresh crucible each time. This mechanism will electronically compensate for the blank value.
Xstm Standard Reference Material: Rinse the sample in acetone, and air dry. If the prediction interval does not encompass the certi? Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
If a continuing calibration veri? This prediction interval may be calculated using Eq 1 and the s and n values for the mid-range reference material.
Chemical Testing
Summary of Test Method 4. ASTM D Last previous edition approved in as E — The data are presented in Table 1.
A number in parentheses indicates the year of last reapproval. The accuracy of this test method is largely dependent upon the absence of bias in the hydrogen values assigned to the reference materials and upon the homogeneity of these materials. The acceptance range for the veri? Use the size crucibles recommended by the manufacturer of the instrument.
NOTE 7—If the unit does not have this function, the average blank must be subtracted from the total result. NOTE 15—The presence of bias between the reference material used in This titanium hydrogen reference material should have a hydrogen content greater than or approximately equal to the unknown samples within the scope of this test method 0.
Results must be supported by acceptable preceding and subsequent veri? Preparation of Apparatus Each has its own unique design characteristics and operational requirements.
The user should determine and correct the cause, and repeat An alternate procedure can be implemented where this value should agree with the certi?
Chemical Testing at WMT&R Inc.
Six instruments were of the thermal conductivity hydrogen measurement system con? Weigh to 6 0. Material is in chip form. This cannot be corrected by making adjustments to the instrument. For specimens of unknown 2 Originally approved in Current edition approved Aug.