{"id":315449,"date":"2024-10-19T21:44:31","date_gmt":"2024-10-19T21:44:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-13909-22016\/"},"modified":"2024-10-25T19:52:55","modified_gmt":"2024-10-25T19:52:55","slug":"bs-iso-13909-22016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-13909-22016\/","title":{"rendered":"BS ISO 13909-2:2016"},"content":{"rendered":"
This part of ISO 13909<\/span> <\/span> specifies procedures and requirements for the design and establishment of mechanical samplers for the sampling of coal from moving streams and describes the methods of sampling used.<\/p>\n It does not cover mechanical sampling from stationary lots which is dealt with in ISO 13909\u20113<\/span> <\/span> [1]<\/sup> <\/span>.<\/p>\n Hard coal and coke. Mechanical sampling – Coal. Sampling from moving streams<\/b><\/p>\nPDF Catalog<\/h4>\n
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\n PDF Pages<\/th>\n PDF Title<\/th>\n<\/tr>\n \n 7<\/td>\n Foreword <\/td>\n<\/tr>\n \n 9<\/td>\n 1 Scope
2 Normative references
3 Terms and definitions
4 Establishing a sampling scheme
4.1 General <\/td>\n<\/tr>\n\n 10<\/td>\n 4.2 Design of the sampling scheme
4.2.1 Material to be sampled
4.2.2 Division of lots
4.2.3 Basis of sampling
4.2.4 Precision of sampling <\/td>\n<\/tr>\n\n 11<\/td>\n 4.2.5 Bias of sampling
4.3 Precision of results
4.3.1 Precision and total variance <\/td>\n<\/tr>\n\n 12<\/td>\n 4.3.2 Primary increment variance
4.3.3 Preparation and testing variance
4.3.4 Number of sub-lots and number of increments per sub-lot <\/td>\n<\/tr>\n\n 15<\/td>\n 4.4 Minimum mass of sample <\/td>\n<\/tr>\n \n 17<\/td>\n 4.5 Mass of primary increment
4.6 Size analysis <\/td>\n<\/tr>\n\n 18<\/td>\n 5 Methods of sampling
5.1 General <\/td>\n<\/tr>\n\n 19<\/td>\n 5.2 Time-basis sampling
5.2.1 Method of taking primary increments
5.2.2 Sampling interval
5.2.3 Mass of increment
5.3 Mass-basis sampling
5.3.1 Method of taking primary increments <\/td>\n<\/tr>\n\n 20<\/td>\n 5.3.2 Sampling interval
5.3.3 Mass of increment
5.4 Stratified random sampling
5.4.1 General <\/td>\n<\/tr>\n\n 21<\/td>\n 5.4.2 Time-basis stratified random sampling
5.4.3 Mass-basis stratified random sampling
5.5 Reference sampling
6 Design of mechanical samplers
6.1 Safety
6.2 Information
6.3 Basic requirements <\/td>\n<\/tr>\n\n 22<\/td>\n 6.4 Location of sampling equipment
6.5 Provision for checking precision
6.6 Provision for testing for bias
6.7 General requirements for designing mechanical samplers
6.8 Design of falling-stream-type samplers
6.8.1 General <\/td>\n<\/tr>\n\n 23<\/td>\n 6.8.2 Cutter velocity <\/td>\n<\/tr>\n \n 25<\/td>\n 6.9 Cross-belt-type primary samplers
6.9.1 Operation <\/td>\n<\/tr>\n\n 28<\/td>\n 6.9.2 Design of cross-belt samplers <\/td>\n<\/tr>\n \n 29<\/td>\n 6.10 Maintenance and checking of sampling equipment <\/td>\n<\/tr>\n \n 30<\/td>\n 7 Handling and storage of samples <\/td>\n<\/tr>\n \n 31<\/td>\n 8 Sample preparation
9 Bias
9.1 Minimization of bias <\/td>\n<\/tr>\n\n 32<\/td>\n 9.2 Checking for precision and bias
10 Verification <\/td>\n<\/tr>\n\n 33<\/td>\n Annex\u00a0A (normative) Evaluation of sampling equipment for mass-basis sampling <\/td>\n<\/tr>\n \n 38<\/td>\n Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" \n\n
\n Published By<\/td>\n Publication Date<\/td>\n Number of Pages<\/td>\n<\/tr>\n \n BSI<\/b><\/a><\/td>\n 2016<\/td>\n 42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":315453,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-315449","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\/315449","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\/315453"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=315449"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=315449"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=315449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}