{"id":302505,"date":"2024-10-19T20:40:04","date_gmt":"2024-10-19T20:40:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-103782016\/"},"modified":"2024-10-25T18:11:39","modified_gmt":"2024-10-25T18:11:39","slug":"bs-iso-103782016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-103782016\/","title":{"rendered":"BS ISO 10378:2016"},"content":{"rendered":"<p>This International Standard specifies a fire assay gravimetric and flame atomic absorption spectrometric method for the determination of the mass fraction of gold and silver in copper, lead, and zinc sulfide concentrates as follows.<\/p>\n<ul>\n<li>\n<p>Copper concentrates<\/p>\n<p>The method is applicable to the determination of mass fractions of gold from 0,5&nbsp;g\/t to 300&nbsp;g\/t and of mass fractions of silver from 25&nbsp;g\/t to 1&nbsp;500&nbsp;g\/t in copper sulfide concentrates containing mass fractions of copper from 15&nbsp;%&nbsp;to 60&nbsp;%.<\/p>\n<\/li>\n<li>\n<p>Lead concentrates<\/p>\n<p>The method is applicable to the determination of mass fractions of gold from 0,1&nbsp;g\/t to 25&nbsp;g\/t and of mass fractions of silver from 200&nbsp;g\/t to 3&nbsp;500&nbsp;g\/t in lead sulfide concentrates containing mass fractions of lead from 10&nbsp;%&nbsp;to 80&nbsp;%.<\/p>\n<\/li>\n<li>\n<p>Zinc concentrates<\/p>\n<p>The method is applicable to the determination of mass fractions of gold from 0,1&nbsp;g\/t to 12&nbsp;g\/t and of mass fractions of silver from 10&nbsp;g\/t to 800&nbsp;g\/t in zinc sulfide concentrates containing mass fractions of zinc up to 60&nbsp;%.<\/p>\n<\/li>\n<\/ul>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1\tScope <br \/> 2\tNormative references  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3\tPrinciple <br \/> 3.1\tGeneral <br \/> 3.2\tFusion <br \/> 3.3\tCupellation <br \/> 3.4\tParting <br \/> 3.5\tRetreatment <br \/> 3.6\tCorrection for blank contamination <br \/> 4\tReagents  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5\tApparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6\tSample <br \/> 6.1\tTest sample <br \/> 6.2\tTest portion  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>7\tProcedure <br \/> 7.1\tNumber of determinations <br \/> 7.2\tTrial fusion <br \/> 7.3\tBlank tests <br \/> 7.4\tCharge preparation  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7.5\tPrimary fusion  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>7.6\tCupellation <br \/> 7.7\tRetreatment of residues  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>7.8\tDetermination of gold in the primary bead  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>7.9\tDetermination of gold and silver in secondary beads and blanks, and of silver in prills  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>7.10\tDetermination of silver in the parting solution  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>8\tExpression of results <br \/> 8.1\tMass fraction of gold  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>8.2\tMass fraction of silver  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>9\tPrecision <br \/> 9.1\tExpression of precision  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>9.2\tMethod for obtaining the final result (see Annex\u00a0H) <br \/> 9.3\tPrecision between laboratories  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>9.4\tCheck of trueness <br \/> 9.4.1\tGeneral  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>9.4.2\tType of certified reference material (CRM) or reference material (RM) <br \/> 10\tTest report  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Annex\u00a0A (normative)  Procedure for the preparation and determination of the mass of a predried test portion  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>Annex\u00a0B (normative)  Trial fusion  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Annex\u00a0C (normative)  Blank determination  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>Annex\u00a0D (normative)  Inquartation  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>Annex\u00a0E (normative)  Determination of vaporization loss of silver during the cupellation process  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>Annex\u00a0F (normative)  Sulfuric acid \u2014 Parting  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>Annex\u00a0G (normative)  Determination of impurities in parting solutions and washings  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>Annex\u00a0H (normative)  Flowsheet of the procedure for the acceptance of analytical values for test samples (see 9.2)  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>Annex\u00a0I (informative)  Flowsheet of the method  <\/td>\n<\/tr>\n<tr>\n<td><b>41<b><\/td>\n<td>Annex\u00a0J (informative)  Roasting method  <\/td>\n<\/tr>\n<tr>\n<td><b>42<b><\/td>\n<td>Annex\u00a0K (informative)  Guide to the preparation of dilutions for the determination of silver in parting solutions and residues  <\/td>\n<\/tr>\n<tr>\n<td><b>43<b><\/td>\n<td>Annex\u00a0L (informative)  Derivation of precision equations  <\/td>\n<\/tr>\n<tr>\n<td><b>58<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Copper, lead and zinc sulfide concentrates. Determination of gold and silver. Fire assay gravimetric and flame atomic absorption spectrometric method<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2016<\/td>\n<td>62<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":302511,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1053,2641],"product_tag":[],"class_list":{"0":"post-302505","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\/302505","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\/302511"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=302505"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=302505"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=302505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}