{"id":302587,"date":"2024-10-19T20:40:28","date_gmt":"2024-10-19T20:40:28","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-127432018\/"},"modified":"2024-10-25T18:12:12","modified_gmt":"2024-10-25T18:12:12","slug":"bs-iso-127432018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-127432018\/","title":{"rendered":"BS ISO 12743:2018"},"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\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
8<\/td>\nForeword <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
12<\/td>\n4 Sampling theory
4.1 General
4.2 Total variance <\/td>\n<\/tr>\n
14<\/td>\n4.3 Sampling-stage method of estimating sampling and total variance <\/td>\n<\/tr>\n
17<\/td>\n4.4 Simplified method of estimating sampling and total variance <\/td>\n<\/tr>\n
18<\/td>\n4.5 Interleaved sample method of measuring total variance <\/td>\n<\/tr>\n
20<\/td>\n5 Establishing a sampling scheme <\/td>\n<\/tr>\n
25<\/td>\n6 Mass of increment
6.1 General
6.2 Mass of increment for falling-stream samplers
6.3 Mass of increment for cross-belt samplers
6.4 Mass of increment for manual sampling from stationary lots
6.4.1 Primary increments <\/td>\n<\/tr>\n
26<\/td>\n6.4.2 Mass of secondary and subsequent increments
6.5 Mass of increment for stopped-belt reference sampling
7 Methods of sampling from concentrate streams
7.1 General
7.2 Mass-basis systematic sampling
7.2.1 General <\/td>\n<\/tr>\n
27<\/td>\n7.2.2 Sampling interval
7.2.3 Sample cutter
7.2.4 Taking of primary increments
7.2.5 Constitution of subsamples and lot samples <\/td>\n<\/tr>\n
28<\/td>\n7.2.6 Types of division
7.2.7 Division of increments
7.2.8 Division of subsamples
7.2.9 Division of lot samples <\/td>\n<\/tr>\n
29<\/td>\n7.3 Time-basis systematic sampling
7.3.1 General
7.3.2 Sampling interval
7.3.3 Sample cutter <\/td>\n<\/tr>\n
30<\/td>\n7.3.4 Taking of primary increments
7.3.5 Constitution of subsamples and lot samples
7.3.6 Types of division
7.3.7 Division of increments and subsamples
7.3.8 Division of lot samples
7.4 Stratified random sampling
7.4.1 Fixed mass intervals <\/td>\n<\/tr>\n
31<\/td>\n7.4.2 Fixed time intervals
8 Mechanical sampling of concentrate streams
8.1 General
8.2 Design of the sampling system
8.2.1 Safety of operators
8.2.2 Location of sample cutters
8.2.3 Provision for interleaved sampling <\/td>\n<\/tr>\n
32<\/td>\n8.2.4 Provision for stratified random sampling
8.2.5 Checking precision and bias
8.2.6 Avoiding bias
8.2.7 Minimizing bias
8.2.8 Configuration of the sampling system
8.3 Sample cutters
8.3.1 General <\/td>\n<\/tr>\n
33<\/td>\n8.3.2 Design criteria <\/td>\n<\/tr>\n
34<\/td>\n8.3.3 Cutter speed
8.4 Mass of increments <\/td>\n<\/tr>\n
35<\/td>\n8.5 Number of increments
8.6 Sampling interval
8.7 Routine checking <\/td>\n<\/tr>\n
36<\/td>\n9 Manual sampling of concentrate streams
9.1 General
9.2 Choosing the sampling location
9.3 Sampling implements
9.4 Mass of increments
9.5 Number of increments
9.6 Sampling interval <\/td>\n<\/tr>\n
37<\/td>\n9.7 Sampling procedures
9.7.1 General
9.7.2 Full stream cut from a falling stream
9.7.3 Partial stream cuts from a falling stream <\/td>\n<\/tr>\n
38<\/td>\n9.7.4 Sampling from moving conveyor belts
10 Stopped-belt reference sampling <\/td>\n<\/tr>\n
39<\/td>\n11 Sampling from grabs
11.1 General
11.2 Mass of primary increments
11.3 Number of primary increments
11.4 Method of sampling
11.5 Constitution of subsamples and lot samples <\/td>\n<\/tr>\n
40<\/td>\n12 Sampling from trucks, railway wagons and sampling hoppers
12.1 General
12.2 Mass of primary increments
12.3 Number of primary increments
12.4 Method of sampling
12.5 Constitution of subsamples and lot samples <\/td>\n<\/tr>\n
43<\/td>\n13 Sampling of concentrate in bags or drums
13.1 General
13.2 Mass of primary increments
13.3 Number of primary increments <\/td>\n<\/tr>\n
44<\/td>\n13.4 Method of sampling
13.4.1 General
13.4.2 Sampling during filling or emptying
13.4.3 Spear sampling
13.5 Constitution of subsamples and lot samples <\/td>\n<\/tr>\n
45<\/td>\n14 Sampling of stockpiles
15 Methods of comminution, mixing and division
15.1 General
15.2 Comminution
15.2.1 General
15.2.2 Mills <\/td>\n<\/tr>\n
46<\/td>\n15.3 Mixing
15.3.1 General
15.3.2 Methods of mixing <\/td>\n<\/tr>\n
47<\/td>\n15.4 Division
15.4.1 Chemical analysis samples <\/td>\n<\/tr>\n
48<\/td>\n15.4.2 Moisture samples
15.4.3 Number of increments for division
15.4.4 Minimum mass of divided sample <\/td>\n<\/tr>\n
49<\/td>\n15.4.5 Rotary sample division <\/td>\n<\/tr>\n
50<\/td>\n15.4.6 Cutter-type division
15.4.7 Manual increment division
15.4.8 Spear division <\/td>\n<\/tr>\n
51<\/td>\n15.4.9 Fractional shovelling <\/td>\n<\/tr>\n
52<\/td>\n15.4.10 Ribbon division <\/td>\n<\/tr>\n
54<\/td>\n15.4.11 Riffle division <\/td>\n<\/tr>\n
56<\/td>\n16 Sample requirements
16.1 Moisture samples
16.1.1 Mass of test portion
16.1.2 Processing of samples
16.2 Chemical analysis samples <\/td>\n<\/tr>\n
57<\/td>\n16.3 Physical test samples
17 Packing and marking of samples <\/td>\n<\/tr>\n
58<\/td>\nAnnex A (normative) Sampling stage method of estimating sampling and total variance <\/td>\n<\/tr>\n
65<\/td>\nAnnex B (informative) Estimation of total variance \u2014 Barge unloading using a grab <\/td>\n<\/tr>\n
69<\/td>\nAnnex C (informative) Mechanical sample cutters <\/td>\n<\/tr>\n
74<\/td>\nAnnex D (informative) Checklist for mechanical sampling systems <\/td>\n<\/tr>\n
78<\/td>\nAnnex E (normative) Manual sampling devices <\/td>\n<\/tr>\n
80<\/td>\nAnnex F (informative) Apparatus for manual sampling of concentrates from stopped belts <\/td>\n<\/tr>\n
81<\/td>\nAnnex G (informative) Sampling of stockpiles <\/td>\n<\/tr>\n
83<\/td>\nAnnex H (normative) Increment division scoops for conducting manual increment division <\/td>\n<\/tr>\n
84<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Copper, lead, zinc and nickel concentrates. Sampling procedures for determination of metal and moisture content<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2018<\/td>\n86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":302595,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1053,2641],"product_tag":[],"class_list":{"0":"post-302587","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-73-060-99","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\/302587","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\/302595"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=302587"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=302587"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=302587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}