{"id":316017,"date":"2024-10-19T21:47:24","date_gmt":"2024-10-19T21:47:24","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-3342020\/"},"modified":"2024-10-25T19:56:43","modified_gmt":"2024-10-25T19:56:43","slug":"bs-iso-3342020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-3342020\/","title":{"rendered":"BS ISO 334:2020"},"content":{"rendered":"

This document specifies a reference method for determining the total sulfur content of hard coal, brown coals and lignites, and coke by the Eschka method.<\/p>\n

PDF Catalog<\/h4>\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
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 Principle
5 Reagents <\/td>\n<\/tr>\n
10<\/td>\n5.1 Eschka mixture.
5.2 Hydrochloric acid.
5.3 Potassium sulfate solution.
5.5 Methyl red indicator solution.
6 Apparatus
7 Preparation of test sample <\/td>\n<\/tr>\n
11<\/td>\n8 Procedure
8.1 Test portion
8.1.1 For coal
8.1.2 For coke
8.2 Charging the crucible <\/td>\n<\/tr>\n
12<\/td>\n8.3 Ignition
8.3.1 For coal
8.3.2 For coke
8.4 Recovering the residue
8.5 Extraction
8.6 Precipitation of barium sulfate <\/td>\n<\/tr>\n
13<\/td>\n8.7 Blank testing
9 Expression of results <\/td>\n<\/tr>\n
14<\/td>\n10 Precision
10.1 Repeatability limit
10.2 Reproducibility limit
11 Test report <\/td>\n<\/tr>\n
15<\/td>\nAnnex A (informative) Derivation of factors used in the calculation in Clause 9 <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Coal and coke. Determination of total sulfur. Eschka method<\/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>\n16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":316025,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-316017","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\/316017","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\/316025"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=316017"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=316017"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=316017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}