{"id":304969,"date":"2024-10-19T20:51:50","date_gmt":"2024-10-19T20:51:50","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-109272011\/"},"modified":"2024-10-25T18:26:10","modified_gmt":"2024-10-25T18:26:10","slug":"bs-en-iso-109272011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-109272011\/","title":{"rendered":"BS EN ISO 10927:2011"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 Principle <\/td>\n<\/tr>\n
11<\/td>\n5 Reagents
5.1 Matrices
5.2 Solvents
5.3 Salts
5.4 Molecular mass standards
6 Apparatus
6.1 General
6.2 Sample introduction chamber\/target <\/td>\n<\/tr>\n
12<\/td>\n6.3 Laser source
6.4 Flight tube <\/td>\n<\/tr>\n
13<\/td>\n6.5 Detector
6.6 Data recording
6.7 Data handling
7 Procedure
7.1 General
7.2 Sample preparation
7.2.1 General
7.2.2 Preparation of polymer\/matrix\/salt solutions <\/td>\n<\/tr>\n
14<\/td>\n7.2.3 Deposition of the sample on the sample plate (target)
7.2.3.1 General
7.2.3.2 Hand-spotting (air-dried droplet technique)
7.2.3.3 Spray technique
7.2.3.4 Grinding (solvent-less preparation)
7.2.4 Preparation and spotting of biopolymer\/matrix solutions
7.3 Instrument settings <\/td>\n<\/tr>\n
15<\/td>\n7.4 Recording spectra <\/td>\n<\/tr>\n
16<\/td>\n8 Data acquisition and processing
8.1 General
8.2 Calibration
8.2.1 General
8.2.2 Calibration of mass axis using synthetic-polymer standards
8.2.2.1 Selection of standards
8.2.2.2 Sample preparation
8.2.3 Calibration of mass axis using biopolymer standards
8.2.4 Self-calibration method <\/td>\n<\/tr>\n
17<\/td>\n8.3 Generation of calibration curve
8.4 Signal intensity axis calibration
9 Expression of results
9.1 Calculation of molecular mass distribution
9.2 Calculation of the average molecular masses
10 Precision <\/td>\n<\/tr>\n
18<\/td>\n11 Test report <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Plastics. Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption\/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2011<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":304972,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1177,2641],"product_tag":[],"class_list":{"0":"post-304969","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-01","7":"product_cat-bsi","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\/304969","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\/304972"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=304969"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=304969"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=304969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}