{"title":"Indicator \u0026 Chromatography Papers","description":"\u003cp\u003eChromatography paper is a highly absorbent, pure cellulose sheet used for paper chromatography, drawing a solvent upward by capillary action to separate dissolved pigments, dyes, or compounds into distinct bands. The same absorbent paper is also used in blotting techniques for molecular biology work, alongside specialty indicator papers such as cobalt chloride paper, which changes colour to detect moisture and humidity.\u003c\/p\u003e\u003cp\u003eSmartLabs stocks chromatography and indicator papers in South Africa for schools, research laboratories, and industrial testing, covering everything from a first pigment-separation practical to blotting and moisture detection in more advanced settings. These simple, calibration-free papers remain a reliable, low-cost tool for visual diagnostic work on any bench.\u003c\/p\u003e","products":[{"product_id":"chromatography-paper-20x20-pk100","title":"Chromatography Paper","description":"\u003cp\u003ePaper chromatography is an analytical method used to separate colored chemicals or substances. It is primarily used as a teaching tool, having been replaced by other chromatography methods, such as thin-layer chromatography.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eAhlstrom-Munksjö manufactures a complete line of high-quality lab grade chromatography, electrophoresis papers, and blotting papers for use in gel transfer applications and chromatography techniques. These uniform, smooth, white sheets set the high purity, high quality, and high value standard. They are used in nucleic acid research such as Southern, Northern, and Western blots, electroblotting, and electrophoresis.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eAhlstrom-Munksjö's lab grade chromatography, electrophoresis papers, and blotting papers are made from high purity and 100% FDA-compliant alpha cotton cellulose, using ultra-pure RO water, and contain no additives that could cause increased backgrounds or other interference in detection systems.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eEquivalent to Whatman Grade 1CHR.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/Qualitative_Filter_Papers_Ahlstrom_601.pdf?v=1751455668\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eKey Feature\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"text-align: left;\"\u003eThickness mm: 0.19mm\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eKlemm 1\/16th\/min: 13\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eAbsorption Speed mm\/30 min: 125\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eCharacteristics: White, smooth surface, cotton\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eEquivalent to Whatman Grade 1CHR.\u003c\/li\u003e\n\u003cli\u003eControlled absorption\u003c\/li\u003e\n\u003cli\u003eUniform absorption\u003c\/li\u003e\n\u003cli\u003eConsistency across the sheet\u003c\/li\u003e\n\u003cli\u003eLot-to-lot consistency \u003c\/li\u003e\n\u003cli\u003eHigh purity, no sizing or fillers\u003c\/li\u003e\n\u003cli\u003eExcellent wet-strength and handling\u003c\/li\u003e\n\u003cli\u003eNo hard spots or density variations\u003c\/li\u003e\n\u003cli\u003eNo airborne fibers\u003c\/li\u003e\n\u003cli\u003eCustom cut\u003c\/li\u003e\n\u003cli\u003eBulk packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cp\u003eSize: 200mm x 200mm or 100 x 300mm\u003c\/p\u003e","brand":"smartsciencelabs","offers":[{"title":"Chromatography Filter Paper, Size 10x30cm, No. 1 - Pack of 100","offer_id":42165098938521,"sku":"708-017B","price":645.61,"currency_code":"ZAR","in_stock":true},{"title":"20 x 20cm","offer_id":42969265242265,"sku":"708-017","price":750.17,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/chromatography-paper-3389222.png?v=1751560984"},{"product_id":"cobalt-chloride-paper-container-100-sheets","title":"Cobalt Chloride Paper (Container 100 sheets)","description":"\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIAhAA\" data-processed=\"true\" data-complete=\"true\"\u003eCobalt Chloride Paper is a qualitative indicator used primarily in chemistry and biology to detect the presence of moisture, water, and relative humidity. In a standard school-grade container of 100 sheets (or strips), it provides a cost-effective and visual way for students to observe chemical hydration. \u003c\/div\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\" data-sae=\"\" data-complete=\"true\"\u003eHow the Color Change Works\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAA\" data-complete=\"true\" data-processed=\"true\"\u003eThe paper operates on the reversible hydration of Cobalt(II) chloride\n\u003cdiv style=\"position: relative; direction: ltr; display: inline-block;\" data-xpm-copy-root=\"\" data-processed=\"true\"\u003e\u003cimg style=\"pointer-events: none; position: absolute; height: 100%; width: 100%; left: 0; top: 0;\" draggable=\"false\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==\" alt=\"\" data-xpm-latex=\"CoCl_{2}\" data-imglogged=\"true\" data-processed=\"true\"\u003e\u003c\/div\u003e\n:\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eBlue (Anhydrous):\u003c\/strong\u003e In dry conditions, the paper remains a deep sky blue.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003ePurple (Dihydrate):\u003c\/strong\u003e As it begins to absorb moisture, it transition through a purplish mid-phase.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAC\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003ePink\/White (Hexahydrate):\u003c\/strong\u003e When fully hydrated by direct liquid contact or high humidity (typically \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e50% RH or higher\u003c\/strong\u003e), it turns a distinct light pink or white.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBRAD\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eReversibility:\u003c\/strong\u003e The paper can be \"reset\" to blue by heating it gently in a warm oven (around 50°C) or by using a hair dryer to drive off the water molecules.\u003c\/span\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"GnK88d_1i,GnK88d_1j\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=GnK88d_1h\/TKHnVd\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003ePrimary School Experiments\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBxAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eBotanical Transpiration:\u003c\/strong\u003e Students often clip the paper to the upper and lower surfaces of a leaf to demonstrate that water vapour is primarily lost through the \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003estomata\u003c\/strong\u003e on the underside.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBxAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eHumidity Monitoring:\u003c\/strong\u003e It is used to test the relative humidity in different parts of a classroom or inside sealed containers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBxAC\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eLeak Detection:\u003c\/strong\u003e In physics and plumbing labs, strips are placed near joints to identify microscopic cracks or water intrusion patterns.\u003c\/span\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"GnK88d_29,GnK88d_2a\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=GnK88d_28\/TKHnVd\" data-sae=\"\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\" data-sae=\"\" data-complete=\"true\"\u003eStorage \u0026amp; Handling\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIChAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eKeep Sealed:\u003c\/strong\u003e Because it is highly \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003ehygroscopic\u003c\/strong\u003e (moisture-absorbing), the container must remain tightly closed. Exposure to even 55% relative humidity is enough to cause a slow, unwanted color change.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIChAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eUse Forceps:\u003c\/strong\u003e Moisture from your skin can trigger a color change; always handle the sheets with \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eforceps or tweezers\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIChAC\" data-sae=\"\" data-complete=\"true\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eSafety:\u003c\/strong\u003e While used in schools, Cobalt(II) chloride is toxic if ingested. Students should wash their hands after use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpesification\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Size: \u003c\/strong\u003e100 pages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Paper\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eNarrow Strips:\u003c\/strong\u003e Approximately 48mm x 6mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"dF3vjf\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAEIBBAF\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"zQNCY_1k,zQNCY_1l\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=zQNCY_1j\/TKHnVd\" data-sae=\"\"\u003eProduct of India\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SmartLabs","offers":[{"title":"Default Title","offer_id":46925637943449,"sku":"CH0625G","price":108.5,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/cobalt-chloride-paper-container-100-sheets-5578797.png?v=1777616350"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/collections\/indicator-chromatography-papers-8948267.webp?v=1782036339","url":"https:\/\/smartlabs.co.za\/collections\/indicator-chromatography-papers.oembed","provider":"SmartLabs","version":"1.0","type":"link"}