{"id":8246,"date":"2024-10-16T19:25:29","date_gmt":"2024-10-16T19:25:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-e692-2008\/"},"modified":"2024-10-24T11:00:05","modified_gmt":"2024-10-24T11:00:05","slug":"astm-e692-2008","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-e692-2008\/","title":{"rendered":"ASTM-E692 2008"},"content":{"rendered":"

ASTM E692-08<\/h3>\n

Withdrawn Standard: Standard Test Method for Determining the Content of Cesium-137 in Irradiated Nuclear Fuels by High-Resolution Gamma-Ray Spectral Analysis (Withdrawn 2013)<\/h4>\n
\n

ASTM E692<\/h4>\n

Scope<\/strong><\/p>\n

1.1 This test method covers the determination of the number of atoms of 137<\/sup>Cs in aqueous solutions of irradiated uranium and plutonium nuclear fuel. When combined with a method for determining the initial number of fissile atoms in the fuel, the results of this analysis allows atom percent fission (burn-up) to be calculated (1)<\/span>. The determination of atom percent fission, uranium and plutonium concentrations, and isotopic abundances are covered in Test Methods E 267 and E 321.<\/p>\n

1.2 137<\/sup>Cs is not suitable as a fission monitor for samples that may have lost cesium during reactor operation. For example, a large temperature gradient enhances 137<\/sup>Cs migration from the fuel region to cooler regions such as the radial fuel-clad gap, or, to a lesser extent, towards the axial fuel end.<\/p>\n

1.3 A nonuniform 137<\/sup>Cs distribution should alert the analyst to the potential loss of the fission product nuclide. The 137<\/sup>Cs distribution may be ascertained by an axial gamma-ray scan of the fuel element to be assayed. In a mixed-oxide fuel, comparison of the 137<\/sup>Cs distribution with the distribution of nonmigrating fission-product nuclides such as 95<\/sup>Zr or 144<\/sup>Ce would indicate the relative degree of 137<\/sup>Cs migration.<\/p>\n

1.4 The values stated in SI units are to be regarded as standard. No other unites of measurement are included in this standard.<\/p>\n

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.<\/span><\/p>\n

Keywords<\/strong><\/p>\n

Cesium-137; gamma-ray spectrometer; nuclear fuel; percent fission; Cesium-137; Gamma radiation–nuclear materials\/applications; High-resolution gamma-ray spectral analysis; Nuclear fuels (reactor); Plutonium; Uranium<\/p>\n

ICS Code<\/strong><\/p>\n

ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)<\/p>\n

DOI:<\/strong> 10.1520\/E0692-08<\/p>\n<\/div>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nScope
Referenced Documents
Summary of Test Method
Significance and Use <\/td>\n<\/tr>\n
2<\/td>\nPrecautions
Apparatus
Reagents and Materials
FIG. 1 <\/td>\n<\/tr>\n
3<\/td>\nProcedure
Precision and Bias
Keywords <\/td>\n<\/tr>\n
4<\/td>\nREFERENCES <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

E692-08 Standard Test Method for Determining the Content of Cesium-137 in Irradiated Nuclear Fuels by High-Resolution Gamma-Ray Spectral Analysis<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASTM<\/b><\/a><\/td>\n2008<\/td>\n4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":8247,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[464,2637],"product_tag":[],"class_list":{"0":"post-8246","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-27-120-30","7":"product_cat-astm","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/8246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/8247"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=8246"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=8246"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=8246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}