{"id":315460,"date":"2024-10-19T21:44:36","date_gmt":"2024-10-19T21:44:36","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-13909-72016\/"},"modified":"2024-10-25T19:53:00","modified_gmt":"2024-10-25T19:53:00","slug":"bs-iso-13909-72016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-13909-72016\/","title":{"rendered":"BS ISO 13909-7:2016"},"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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 General <\/td>\n<\/tr>\n
10<\/td>\n5 Formulae relating to factors affecting precision
5.1 General <\/td>\n<\/tr>\n
11<\/td>\n5.2 Sampling <\/td>\n<\/tr>\n
12<\/td>\n6 Estimation of primary increment variance
6.1 Direct determination of individual primary increments <\/td>\n<\/tr>\n
13<\/td>\n6.2 Determination using the estimate of precision
7 Methods for estimating precision
7.1 General
7.2 Duplicate sampling with twice the number of increments <\/td>\n<\/tr>\n
16<\/td>\n7.3 Duplicate sampling during routine sampling <\/td>\n<\/tr>\n
17<\/td>\n7.4 Alternatives to duplicate sampling
7.5 Precision adjustment procedure <\/td>\n<\/tr>\n
18<\/td>\n8 Calculation of precision
8.1 Replicate sampling <\/td>\n<\/tr>\n
19<\/td>\n8.2 Normal sampling scheme <\/td>\n<\/tr>\n
20<\/td>\n9 Methods of checking sample preparation and testing errors
9.1 General
9.2 Target value for variance of sample preparation and analysis
9.2.1 General <\/td>\n<\/tr>\n
21<\/td>\n9.2.2 Off-line preparation
9.2.3 On-line preparation
9.3 Checking procedure as a whole <\/td>\n<\/tr>\n
22<\/td>\n9.4 Checking stages separately
9.4.1 General <\/td>\n<\/tr>\n
23<\/td>\n9.4.2 Procedure 1 <\/td>\n<\/tr>\n
26<\/td>\n9.4.3 Procedure 2 <\/td>\n<\/tr>\n
29<\/td>\n9.4.4 Interpretation of results <\/td>\n<\/tr>\n
30<\/td>\n9.5 Procedure for obtaining two samples at each stage
9.5.1 With a riffle
9.5.2 With a mechanical sample divider
9.6 Example <\/td>\n<\/tr>\n
34<\/td>\nAnnex\u00a0A (informative) Variogram method for determining variance <\/td>\n<\/tr>\n
42<\/td>\nAnnex\u00a0B (informative) Grubbs\u2019 estimators method for determining sampling precision <\/td>\n<\/tr>\n
51<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Hard coal and coke. Mechanical sampling – Methods for determining the precision of sampling, sample preparation and testing<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2016<\/td>\n54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":315464,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-315460","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","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\/315460","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\/315464"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=315460"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=315460"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=315460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}