{"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","url":"https:\/\/smartlabs.co.za\/products\/cobalt-chloride-paper-container-100-sheets","provider":"SmartLabs","version":"1.0","type":"link"}