{"id":70269,"date":"2024-10-17T14:18:49","date_gmt":"2024-10-17T14:18:49","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-d7649-2010\/"},"modified":"2024-10-24T18:50:24","modified_gmt":"2024-10-24T18:50:24","slug":"astm-d7649-2010","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-d7649-2010\/","title":{"rendered":"ASTM-D7649 2010"},"content":{"rendered":"<\/p>\n

1.1 This test method describes a procedure primarily for the determination of carbon dioxide, argon, nitrogen, oxygen and water in high pressure fuel cell grade hydrogen by gas chromatograph\/mass spectrometer (GC\/MS) with injection of sample at the same pressure as sample without pressure reduction, which is called Jet Pulse Injection . The procedures described in this method were designed to measure carbon dioxide at 0.5micromole per mole (ppmv), Argon 1 ppmv, nitrogen 5 ppmv and oxygen 2 ppmv and water 4 ppmv.<\/p>\n

1.2 The values stated in SI units are standard. The values stated in inch-pound units are for information only.<\/p>\n

1.3 The mention of trade names in standard does not constitute endorsement or recommendation for use. Other manufacturers of equipment or equipment models can be used.<\/p>\n

1.4 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

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nScope
Referenced Documents
Terminology
Summary of Test Method <\/td>\n<\/tr>\n
2<\/td>\nSignificance and Use
Apparatus
FIG. 1 <\/td>\n<\/tr>\n
3<\/td>\nFIG. 2 <\/td>\n<\/tr>\n
4<\/td>\nReference Standards
FIG. 3 <\/td>\n<\/tr>\n
5<\/td>\nPreparation of Apparatus
Procedure
Calculation <\/td>\n<\/tr>\n
6<\/td>\nPrecision and Bias
TABLE 1
TABLE 2 <\/td>\n<\/tr>\n
7<\/td>\nKeywords
X1. JET PULSE INJECTION
X1.1 Summary
X1.2 Experimental
X1.3 Co-Injection
FIG. 4 <\/td>\n<\/tr>\n
8<\/td>\nTABLE X1.1
FIG. X1.1
FIG. X1.2 <\/td>\n<\/tr>\n
9<\/td>\nTABLE X1.2 <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

D7649-10 Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography\/Mass Spectrometer 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>\n2010<\/td>\n10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":70270,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2637],"product_tag":[],"class_list":{"0":"post-70269","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astm","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/70269","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\/70270"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=70269"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=70269"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=70269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}