{"id":1173,"date":"2026-10-09T02:52:17","date_gmt":"2026-10-09T02:52:17","guid":{"rendered":"https:\/\/arbonyx.com\/?p=1173"},"modified":"2026-10-19T15:42:43","modified_gmt":"2026-10-19T15:42:43","slug":"activated-carbon-specifications-iodine-value","status":"publish","type":"post","link":"https:\/\/arbonyx.com\/id\/activated-carbon-specifications-iodine-value\/","title":{"rendered":"Activated Carbon Specifications: Why Iodine Value Alone Is Not Enough"},"content":{"rendered":"<div class=\"wp-block-group arbx-article-byline is-layout-flex wp-block-group-is-layout-flex\"><div class=\"wp-block-post-author-name\">Tim Redaksi ARBONYX<\/div>\n<p class=\"wp-block-paragraph\">Updated:<\/p>\n<div class=\"wp-block-post-date__modified-date wp-block-post-date\"><time datetime=\"2026-10-19T15:42:43+00:00\">Okt 19, 2026<\/time><\/div><\/div>\n\n<style>.rs-news{max-width:900px;margin:auto;padding:48px 24px;color:#202923}.rs-news h1{font-size:clamp(30px,4vw,44px);line-height:1.2;color:#111}.rs-news h2{font-size:26px;line-height:1.3;margin-top:36px;color:#111}.rs-news p,.rs-news li{font-size:17px;line-height:1.8}.rs-news .rs-news-img{width:100%;aspect-ratio:16\/9;object-fit:cover;border-radius:10px;margin:22px 0}.rs-news .rs-kicker,.rs-news .rs-source{font-size:14px;color:#50655a}.rs-news a{color:#174936;text-underline-offset:3px}.rs-table{overflow-x:auto;margin:20px 0}.rs-table table{width:100%;border-collapse:collapse;background:#fff;font-size:15px}.rs-table th,.rs-table td{padding:13px;text-align:left;border:1px solid #dce5df;vertical-align:top}.rs-table th{background:#edf3ef}.rs-news-cta{display:inline-block;background:#123c30;color:white!important;border-radius:5px;padding:12px 22px;text-decoration:none}body.single:has(.rs-news) .entry-header{display:none}body.single:has(.rs-news) .post-navigation,body.single:has(.rs-news) .comments-area{display:none}<\/style><article class=\"rs-news\"><a href=\"\/id\/industry-insights\/\">\u2190 Industry Insights<\/a><p class=\"rs-kicker\">Activated Carbon \u00b7 Buying Guide \u00b7 <time datetime=\"2026-10-09\">October 9, 2026<\/time> \u00b7 ARBONYX<\/p><h1>Activated Carbon Specifications: Why Iodine Value Alone Is Not Enough<\/h1><figure class=\"arbx-editorial-figure\" style=\"margin:24px 0;\"><img width=\"1024\" height=\"683\" src=\"https:\/\/arbonyx.com\/wp-content\/uploads\/2026\/10\/news-carbon-sieving-laboratory-1024x683.webp\" class=\"arbx-editorial-photo\" alt=\"news carbon sieving laboratory \u2014 illustrative image\" style=\"width:100%;height:auto;max-height:420px;object-fit:cover;\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/arbonyx.com\/wp-content\/uploads\/2026\/10\/news-carbon-sieving-laboratory-1024x683.webp 1024w, https:\/\/arbonyx.com\/wp-content\/uploads\/2026\/10\/news-carbon-sieving-laboratory-300x200.webp 300w, https:\/\/arbonyx.com\/wp-content\/uploads\/2026\/10\/news-carbon-sieving-laboratory-768x512.webp 768w, https:\/\/arbonyx.com\/wp-content\/uploads\/2026\/10\/news-carbon-sieving-laboratory-18x12.webp 18w, https:\/\/arbonyx.com\/wp-content\/uploads\/2026\/10\/news-carbon-sieving-laboratory.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption style=\"font-size:12px;color:#687582;\">Illustrative image<\/figcaption><\/figure><p>An activated carbon specification sheet is useful only when the test results relate to the offered grade and the process you need to treat. Iodine value is one screening parameter; it does not describe every adsorption duty, mechanical property or operating condition.<\/p><h2>Separate screening data from process performance<\/h2><p>Adsorption takes place within a carbon\u2019s pore structure. Different contaminants and water or gas conditions need different evaluation methods. A single number cannot describe contaminant competition, contact conditions or the point at which a bed needs replacing.<\/p><p>Before comparing supplier sheets, ask which test method produced each value, whether it is a typical figure or an agreed limit, and whether the document applies to the exact grade being offered.<\/p><h2>Read the parameters as a set<\/h2><div class=\"rs-table\"><table><thead><tr><th>Parameter<\/th><th>Why the buyer checks it<\/th><th>Question to ask<\/th><\/tr><\/thead><tbody><tr><td>Adsorption test result<\/td><td>Supports initial grade screening.<\/td><td>Which method, units and acceptance limits apply?<\/td><\/tr><tr><td>Particle size distribution<\/td><td>Affects media handling, bed behavior and powder dosing.<\/td><td>What sieve distribution or powder-size method is specified?<\/td><\/tr><tr><td>Hardness or abrasion<\/td><td>Helps assess handling and mechanical durability for relevant granular or pellet grades.<\/td><td>Which test is used, and does it suit this form?<\/td><\/tr><tr><td>Moisture and ash<\/td><td>Influence comparisons of delivered material and suitability for sensitive duties.<\/td><td>Are the limits and reporting basis stated?<\/td><\/tr><tr><td>Apparent density<\/td><td>Helps translate media mass into filling volume.<\/td><td>Does the value refer to the supplied condition?<\/td><\/tr><\/tbody><\/table><\/div><h2>Water-treatment and gas-phase briefs are different<\/h2><p>For a water-treatment grade, describe the target compound, feed water, flow and contact arrangement. Consider pH, temperature and competing dissolved matter. The EPA\u2019s drinking-water technology guidance explains that GAC performance and design depend on the treatment objective.<\/p><p>For a gas-phase inquiry, include the gas composition, contaminant loading, humidity, temperature, airflow and allowable pressure drop. A pellet diameter or an adsorption screening result does not specify a complete VOC-control system.<\/p><h2>Request documents for the offered grade<\/h2><p>A technical data sheet describes the grade; a certificate of analysis, where provided, records the reported tests for a particular batch. Ask for the documents relevant to your order rather than treating a general brochure as batch evidence. Keep the agreed specification, sampling basis and acceptance method with the purchase record.<\/p><h2>Build a useful sample trial<\/h2><ol><li>Define the inlet and required outlet before testing.<\/li><li>Use representative water or gas and the intended contact conditions.<\/li><li>Record the dose or bed arrangement, duration and sampling method.<\/li><li>Review adsorption performance together with handling and equipment constraints.<\/li><\/ol><p>For bulk activated carbon procurement, a clearly defined trial is more useful than ranking grades by one headline value.<\/p><p><a href=\"\/id\/technical-library\/#carbon-checklist\">Review the technical checklist<\/a> \u00b7 <a href=\"\/id\/activated-carbon\/\">Compare activated carbon product families<\/a><\/p><p class=\"rs-source\">Further reading: <a href=\"https:\/\/www.epa.gov\/sdwa\/overview-drinking-water-treatment-technologies\" target=\"_blank\" rel=\"noopener\">US EPA \u2014 Drinking Water Treatment Technologies<\/a>.<\/p><p><a class=\"rs-news-cta\" href=\"https:\/\/wa.me\/8618836033948?text=Hello%20ARBONYX%2C%20I%20would%20like%20advice%20about%20Activated%20Carbon%20Specifications%3A%20Why%20Iodine%20Value%20Alone%20Is%20Not%20Enough\">Get inquiry \u2197<\/a><\/p><\/article><div class=\"wp-block-group alignfull arbx-resource-body is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group arbx-news-expanded-20261009 is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Read the specification as a set of linked measurements<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Begin by identifying the offered finished grade and the methods behind its reported values. Nominal particle range, moisture, bulk density, ash and adsorption indicators describe different aspects of a sample. Where two data sheets use different methods or reporting bases, ask for clarification before treating the numbers as directly comparable.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Connect each requested value to a purchasing concern: media retention, handling, cleanliness, receiving inspection or the target treatment duty. Iodine value can be useful information, but it does not directly establish removal of every substance encountered in water or gas treatment. Application-relevant testing is needed to assess the intended process under defined conditions.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Keep a dated grade specification, sample reference and relevant batch documentation together. Agree which receiving checks apply and how a proposed substitution will be assessed. This gives a bulk activated-carbon order a clear basis for review without inventing a universal quality ranking from one headline figure.<\/p>\n\n<\/div>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Updated: \u2190 Industry Insights Activated Carbon \u00b7 Buying Guide \u00b7 October 9, 2026 \u00b7 ARBONYX Activated Carbon Specifications: Why Iodine [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10018,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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