{"id":390702,"date":"2024-10-20T03:55:54","date_gmt":"2024-10-20T03:55:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-236462022\/"},"modified":"2024-10-26T07:15:29","modified_gmt":"2024-10-26T07:15:29","slug":"bs-iso-236462022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-236462022\/","title":{"rendered":"BS ISO 23646:2022"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
7<\/td>\nForeword <\/td>\n<\/tr>\n
8<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope <\/td>\n<\/tr>\n
10<\/td>\n2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
11<\/td>\n4 Principle <\/td>\n<\/tr>\n
12<\/td>\n5 Interferences
5.1 Interference with sampling and extraction
5.2 Interference with GC
6 Safety remarks
7 Reagents
7.1 General
7.2 Reagents for extraction <\/td>\n<\/tr>\n
13<\/td>\n7.3 Reagents for clean-up
7.3.1 Clean-up A using aluminium oxide
7.3.2 Clean-up B using silica gel 60 for column chromatography
7.3.3 Clean-up C using gel permeation chromatography (GPC) <\/td>\n<\/tr>\n
14<\/td>\n7.3.4 Clean-up D using Florisil\u00ae
7.4 Reagents for gas chromatographic analysis
7.5 Standards
7.5.1 General
7.5.2 Calibration standards
7.5.3 Internal, extraction and injection standards <\/td>\n<\/tr>\n
17<\/td>\n7.6 Preparation of standard solutions
7.6.1 Preparation of calibration standard solutions of OCPs
7.6.2 Preparation of internal standard solution
7.6.3 Preparation of injection standard solution
7.6.4 Preparation of solution for liner checking <\/td>\n<\/tr>\n
18<\/td>\n8 Apparatus
8.1 Extraction and clean-up procedure
8.1.11 Quartz wool or silanized glass wool.
8.2 Gas chromatograph
8.2.1 General <\/td>\n<\/tr>\n
19<\/td>\n8.2.2 Capillary columns
9 Sample storage and pre-treatment
9.1 Sample storage
9.2 Sample pretreatment
10 Procedure
10.1 Blank test
10.2 Extraction
10.2.1 General <\/td>\n<\/tr>\n
20<\/td>\n10.2.2 Extraction procedure 1 \u2014 Agitation or sonication <\/td>\n<\/tr>\n
21<\/td>\n10.2.3 Extraction procedure 2 \u2014 Pressurized liquid extraction (PLE)
10.2.4 Extraction procedure 3 \u2014 Soxhlet
10.3 Concentration <\/td>\n<\/tr>\n
22<\/td>\n10.4 Clean-up of the extract
10.4.1 General
10.4.2 Clean-up A \u2014 Aluminium oxide
10.4.3 Clean-up B \u2014 Silica gel <\/td>\n<\/tr>\n
23<\/td>\n10.4.4 Clean-up C \u2014 Gel permeation chromatography
10.4.5 Clean-up D \u2014 Florisil\u00ae 2)
10.5 Addition of the injection standard
10.6 Gas chromatographic analysis (GC)
10.6.1 General <\/td>\n<\/tr>\n
24<\/td>\n10.6.2 Setting the gas chromatograph
10.7 Mass spectrometry (MS)
10.7.1 Mass spectrometric conditions <\/td>\n<\/tr>\n
25<\/td>\n10.7.2 Calibration of the method using an internal standard <\/td>\n<\/tr>\n
26<\/td>\n10.7.3 Measurement
10.7.4 Identification
10.7.5 Check on method performance <\/td>\n<\/tr>\n
27<\/td>\n10.7.6 Calculation <\/td>\n<\/tr>\n
28<\/td>\n10.8 Electron capture detection (ECD)
10.8.1 General
10.8.2 ECD conditions
10.8.3 Calibration of the method using an internal standard
10.8.4 Measurement
10.8.5 Identification <\/td>\n<\/tr>\n
29<\/td>\n10.8.6 Check on ECD method performance <\/td>\n<\/tr>\n
30<\/td>\n10.8.7 Calculation
11 Performance characteristics
12 Precision
13 Test reports <\/td>\n<\/tr>\n
31<\/td>\nAnnex A (informative) Repeatability and reproducibility data <\/td>\n<\/tr>\n
34<\/td>\nAnnex B (informative) Calibration strategy <\/td>\n<\/tr>\n
35<\/td>\nAnnex C (informative) Example of GC-MS\/MS measurement conditions for OCPs <\/td>\n<\/tr>\n
37<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Soil quality. Determination of organochlorine pesticides by gas chromatography with mass selective detection (GC-MS) and gas chromatography with electron-capture detection (GC-ECD)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":390708,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[223,2641],"product_tag":[],"class_list":{"0":"post-390702","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-080-10","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\/390702","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\/390708"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=390702"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=390702"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=390702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}