{"id":316165,"date":"2024-10-19T21:48:09","date_gmt":"2024-10-19T21:48:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-13909-72016-tc\/"},"modified":"2024-10-25T19:57:48","modified_gmt":"2024-10-25T19:57:48","slug":"bs-iso-13909-72016-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-13909-72016-tc\/","title":{"rendered":"BS ISO 13909-7:2016 – TC"},"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
66<\/td>\nForeword <\/td>\n<\/tr>\n
67<\/td>\nIntroduction <\/td>\n<\/tr>\n
69<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 General <\/td>\n<\/tr>\n
70<\/td>\n5 Formulae relating to factors affecting precision
5.1 General <\/td>\n<\/tr>\n
71<\/td>\n5.2 Sampling <\/td>\n<\/tr>\n
72<\/td>\n6 Estimation of primary increment variance
6.1 Direct determination of individual primary increments <\/td>\n<\/tr>\n
73<\/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
76<\/td>\n7.3 Duplicate sampling during routine sampling <\/td>\n<\/tr>\n
77<\/td>\n7.4 Alternatives to duplicate sampling
7.5 Precision adjustment procedure <\/td>\n<\/tr>\n
78<\/td>\n8 Calculation of precision
8.1 Replicate sampling <\/td>\n<\/tr>\n
79<\/td>\n8.2 Normal sampling scheme <\/td>\n<\/tr>\n
80<\/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
81<\/td>\n9.2.2 Off-line preparation
9.2.3 On-line preparation
9.3 Checking procedure as a whole <\/td>\n<\/tr>\n
82<\/td>\n9.4 Checking stages separately
9.4.1 General <\/td>\n<\/tr>\n
83<\/td>\n9.4.2 Procedure 1 <\/td>\n<\/tr>\n
86<\/td>\n9.4.3 Procedure 2 <\/td>\n<\/tr>\n
89<\/td>\n9.4.4 Interpretation of results <\/td>\n<\/tr>\n
90<\/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
94<\/td>\nAnnex\u00a0A (informative) Variogram method for determining variance <\/td>\n<\/tr>\n
102<\/td>\nAnnex\u00a0B (informative) Grubbs\u2019 estimators method for determining sampling precision <\/td>\n<\/tr>\n
111<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. 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>\n2020<\/td>\n114<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":316167,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-316165","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\/316165","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\/316167"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=316165"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=316165"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=316165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}