{"title":"Pyrite Decay Treatment","description":"","products":[{"product_id":"pyrite-stop","title":"Pyrite Stop®","description":"\u003cp\u003e\u003cstrong\u003e1000ml bottles. \u003c\/strong\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePLEASE NOTE THAT THIS PRODUCT MUST BE DILUTED WITH ISOPROPANOL BEFORE USE.\u003c\/span\u003e We have some bundles available with Pyrite Stop and Isopropanol if you click the dropdown box. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrevent and stabilise pyrite oxidation\u003c\/strong\u003e, otherwise known as pyrite disease, pyrite rot, or pyrite decay. \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/pages\/pyritefossils\" target=\"_blank\" data-mce-href=\"https:\/\/www.zoicpalaeotech.co.uk\/pages\/pyritefossils\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eRead our guide to treating and storing pyritic fossils by clicking here\u003c\/span\u003e.\u003c\/a\u003e This method of preventing and neutralising pyrite decay is a genuine and successful approach, that will help ensure the longevity of your collection. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePyrite disease or pyrite decay can completely destroy specimens. In the presence of \u003c\/span\u003e\u003cb\u003eoxygen, pyrite (FeS\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e)\u003c\/span\u003e\u003csub\u003e \u003c\/sub\u003e\u003c\/b\u003e\u003cspan\u003e\u003cb\u003ebreaks down to ferrous sulphate (FeSO\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e4\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e) and sulphur dioxide (SO\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e2\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e)\u003c\/b\u003e. \u003cb\u003eWhere water or atmospheric moisture is present, sulphuric acid (H\u003c\/b\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003eSO\u003c\/span\u003e\u003cspan\u003e\u003cspan face=\"sans-serif\" color=\"#202122\" style=\"color: #202122; font-family: sans-serif;\" data-mce-style=\"color: #202122; font-family: sans-serif;\"\u003e4\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003cb\u003e)\u003c\/b\u003e is also produced as a biproduct.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e40% Ethanolamine Thioglycolate. A colourless liquid soluble in isopropanol (isopropyl alcohol). \u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePyrite Stop is alkaline and therefore \u003cstrong\u003eneutralises and washes out sulphuric acid\u003c\/strong\u003e (a product of pyrite decay)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThioglycolates react with soluble and insoluble iron compounds, chelates and complex iron, but not stable pyrite\u003c\/strong\u003e. These are the oxidation by-products. This reaction generates a purpley solution of ferrothioglycollate.\u003c\/li\u003e\n\u003cli\u003eIt is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esoluble in ethanol or anhydrous isopropanol\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– as are the products of pyrite decay. Thus, contact with water (which may be damaging) can be avoided.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003ePurchase alone or in a bundle with Isopropyl Alcohol. \u003c\/p\u003e\n\u003cp\u003eYou will need to work in a well ventilated environment, wearing full PPE (goggles, gloves, apron, respirator, etc.).\u003c\/p\u003e\n\u003cp\u003eThis liquid goes a long way, as it is diluted down with isopropyl alcohol to a 2-5% concentration in Isopropyl Alcohol.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e18+ only. Store out of reach from children and animals. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubject to Dangerous Goods Shipping Rules. \u003c\/strong\u003eDue to the nature of this product, we are restricted by our couriers to England and Wales mainland shipping only (excludes IOW). \u003cem data-mce-fragment=\"1\"\u003eWe can ship to IOW and Scotland, but surcharges will apply*.\u003c\/em\u003e Unfortunately, international shipping is not possible at this time. \u003c\/p\u003e\n\u003cp\u003e___\u003c\/p\u003e\n\u003cp\u003e*IOW surcharge £11.50+ VAT\u003c\/p\u003e\n\u003cp\u003e*Scottish Lowlands Surcharge £4.50 + VAT\u003c\/p\u003e\n\u003cp\u003e*Scottish Highlands Surcharge £15.50+ VAT\u003c\/p\u003e\n\u003cp\u003eIf you are happy to accept these surcharges, process your order as normal and we will be in touch with a payment link for the remaining balance. \u003c\/p\u003e","brand":"ZOIC PalaeoTech","offers":[{"title":"England \u0026 Wales Mainland ONLY (excl. IOW) \/ Pyrite Stop 1000ml (ONLY - must be diluted for use)","offer_id":39469840924735,"sku":"PYRITE1","price":27.95,"currency_code":"GBP","in_stock":true},{"title":"England \u0026 Wales Mainland ONLY (excl. IOW) \/ Pyrite Stop 1000ml + Isopropanol 1000ml","offer_id":39469898760255,"sku":"PYRITE1ISO","price":33.99,"currency_code":"GBP","in_stock":true},{"title":"England \u0026 Wales Mainland ONLY (excl. IOW) \/ Pyrite Stop 1000ml + Isopropanol 5000ml","offer_id":39469898825791,"sku":"PYRITE5ISO","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/products\/PhotoRoom-20220113_115651.png?v=1642075158"},{"product_id":"isopropanol-isa-99-8","title":"Isopropanol (ISA) 99.8%","description":"\u003cp\u003eIsopropyl Alcohol (99.8% purity). Anhydrous. A volatile, colourless liquid. \u003c\/p\u003e\n\u003cp\u003eWe use Isopropanol in our lab as a dilutant for Pyrite Stop, and as a wash for pyritic fossils whilst they are undergoing treatment to prevent and stop pyrite decay. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHighly flammable liquid and vapour. Causes serious eye irritation. May cause drowsiness or dizziness. Keep away from heat\/sparks\/open flames\/hot surfaces. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store in a well-ventilated place. Keep cool.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e18+ only. Store out of reach from children and animals.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ZOIC PalaeoTech","offers":[{"title":"Yes \/ 1000ml x1","offer_id":39469842726975,"sku":"","price":5.99,"currency_code":"GBP","in_stock":true},{"title":"Yes \/ 5000ml","offer_id":39469900595263,"sku":"","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/products\/Isopropanol.jpg?v=1633189623"},{"product_id":"oxygen-absorbers-10-pack-with-indicator","title":"OxyFree Oxygen Absorbers (with Indicator)","description":"\u003cp\u003eOxygen absorbers in vacuum packaging (10 per pack). Suitable for fossil storage in enclosed boxes. Oxygen absorbers remove the oxygen from the atmosphere, important for creating a suitable microclimate for pyritic fossil storage. They are not suited to using in entire rooms, and would need replacing frequently if used in draughty cabinets. Ideally, if you have fossils that require storage in a controlled climate, you will have tightly sealed containers. The oxygen absorbers will still need replacing from time to time, but less frequently if there is less influx of oxygen. \u003c\/p\u003e\n\u003cp\u003eOxyFree oxygen absorbers are excellent quality, with the sachet being made of a Tyvek type plastic. This is suitable for storage up against or very close to fossils (i.e. non-acidic). \u003c\/p\u003e\n\u003cp\u003eOnce opened, seal the remaining oxygen absorbers in a sealed container, or use a heat seal\/vacuum. \u003c\/p\u003e\n\u003cp\u003e300cc (for smaller boxes and bags) - 4x5cm\u003c\/p\u003e\n\u003cp\u003e2000cc  (for larger boxes and small cabinets) - 11.1 x 7.3cm\u003c\/p\u003e\n\u003cp\u003eOxygen indicators change colour from pink when O\u003csub\u003e2\u003c\/sub\u003e levels are below 0.01%, to blue\/purple when O\u003csub\u003e2\u003c\/sub\u003e levels are above 0.05%. This way, you know your Oxygen absorbers are as fresh as can be ready for fossil storage. \u003c\/p\u003e","brand":"OxyFree","offers":[{"title":"300cc (20-pack)","offer_id":39469843972159,"sku":"","price":10.95,"currency_code":"GBP","in_stock":false},{"title":"2000cc (10-pack)","offer_id":39469844004927,"sku":"","price":13.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/products\/oxygenabsorbers2000cc.jpg?v=1633187679"},{"product_id":"silica-gel-sachets-25g","title":"Silica Gel Desiccant Sachets 25g","description":"\u003cp\u003eSilica Gel desiccant sachets (25g).\u003c\/p\u003e\n\u003cp\u003eExcellent for storage of pyritic fossils, to maintain a low relative humidity. Best used in cabinets and tight, enclosed storage. Can by reused by gently heating to evaporate any moisture retained. \u003c\/p\u003e\n\u003cdiv class=\"dimension\"\u003e11.3 x 5.1cm each (much larger and more absorbant than those typically found in shoe boxes, etc.)\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ZOIC PalaeoTech","offers":[{"title":"10-pack","offer_id":39469890863167,"sku":"","price":4.95,"currency_code":"GBP","in_stock":true},{"title":"20-pack","offer_id":39469890895935,"sku":"","price":8.95,"currency_code":"GBP","in_stock":true},{"title":"30-pack","offer_id":39469890928703,"sku":"","price":12.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/products\/SilicaGelsachets.jpg?v=1633189607"},{"product_id":"paraloid™-b-67-10-premixed-in-acetone","title":"Pyrite Coat - Paraloid™ B-67 10% wt\/vol Premixed in Acetone (250ml)","description":"\u003cp\u003eParaloid B-67 is an i\u003cspan data-mce-fragment=\"1\"\u003esobutyl methacrylate polymer that dries harder than \u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\" data-mce-href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\"\u003eParaloid B-72.\u003c\/a\u003e  \u003c\/span\u003eIndustrially, it is used as an impregnative barrier for rust-prone metals to protect them, e.g. in automotives.\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eIt is hydrophobic, providing excellent water resistance (a suitable sealant following Pyrite Decay treatment in Pyrite Stop). It can provide an excellent barrier against both atmospheric moisture and gas (oxygen); with much lower permeability than Paraloid B-72. Storage in low humidity environments remains essential, but Paraloid B-67 can provide an extra barrier layer between atmosphere and fossil. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eParaloid B-67 can be used as a coating or penetrant sealant for pyritic fossils. With its hydrophobic (water-repelling) properties it is a better candidate for this than \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\"\u003eParaloid B-72\u003c\/a\u003e. Moisture, whether atmospheric or liquid, is one of the main factors in pyrite decay. Paraloid B-67 is also removable as it is redissolvable in solvent, and so it can be used and then removed prior to another round of treatment in \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/pyrite-stop?_pos=1\u0026amp;_sid=4e9f67b9b\u0026amp;_ss=r\"\u003ePyrite Stop\u003c\/a\u003e (ethanolamine thioglycollate). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor this application, we have a 10% solution premixed in acetone. You may need to further dilute this in acetone depending on the fossil. Acetone provides the best\u003c\/span\u003e clarity of solution, speed of evaporation and impregnation capabilities for this application. It is not usually suitable for archival marking. \u003c\/p\u003e\n\u003cp\u003eWe absolutely recommend storage in a low humidity and low oxygen environment even after coating with Paraloid B-67. \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/pages\/pyritefossils\"\u003eLearn more here about preventing pyrite decay.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eProlonged exposure to UV light will cause yellowing, but in thin coatings this is unlikely to be noticeable. It can be removed with solvent and reapplied. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eNot to be confused with the more commonly used \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\"\u003eParaloid B-72\u003c\/a\u003e, which is chemically very different, and used as an adhesive and consolidant. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eIn archaeology, it is used to stabilise bone, clay, stone and other fragile artefacts. It is used outdoors for artefacts and monuments that require a hydrophobic (water repelling) coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cem\u003eUK Mainland (excludes NI) customers only due to restrictions on shipping. We also have available in our shop the pellet form, which will allow you to purchase acetone and mix yourself with acetone purchased locally to you. \u003c\/em\u003e\u003c\/p\u003e","brand":"ZOIC PalaeoTech","offers":[{"title":"UK Mainland Shipping ONLY","offer_id":39491034251327,"sku":"","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/files\/PremixedParaloidB72_13.png?v=1696867686"},{"product_id":"comparator-ph-paper-acids-0-5-5-5","title":"Comparator pH Paper (Acids) 0.5-5.5","description":"\u003cdiv class=\"container p-3\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"row\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"col-12 pt-4\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"card\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"card-body\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"tab-content\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"tab-pane fade show active\" aria-labelledby=\"overview-tab\" role=\"tabpanel\" id=\"overview\" data-mce-fragment=\"1\"\u003e\n\u003cp class=\"m-0\" data-mce-fragment=\"1\"\u003eJohnson Test Papers Comparator Paper pH 0.5 - 5.5, pH paper\u003c\/p\u003e\n\u003cp class=\"m-0\" data-mce-fragment=\"1\"\u003eAvailable as 1 reel (5m x 7mm).\u003c\/p\u003e\n\u003cp class=\"m-0\" data-mce-fragment=\"1\"\u003eGood for testing pyritic specimens for sulphuric acid to check if there has been any pyrite decay. Also good when doing acid preparation of specimens. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row mt-2\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"col-12\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"container\" data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Johnson Test Papers","offers":[{"title":"Default Title","offer_id":39533661192255,"sku":"","price":4.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/products\/Screenshot2021-12-03112510.jpg?v=1638530872"},{"product_id":"copy-of-pyrite-coat-paraloid™-b-67-10-wt-vol-premixed-in-acetone-250ml","title":"Brush Applicator Pyrite Coat - Paraloid™ B-67 10% wt\/vol Premixed in Acetone (15ml)","description":"\u003cp\u003eParaloid B-67 is an i\u003cspan data-mce-fragment=\"1\"\u003esobutyl methacrylate polymer that dries harder than \u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\" data-mce-href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\"\u003eParaloid B-72.\u003c\/a\u003e  \u003c\/span\u003eIndustrially, it is used as an impregnative barrier for rust-prone metals to protect them, e.g. in automotives.\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eIt is hydrophobic, providing excellent water resistance (a suitable sealant following Pyrite Decay treatment in Pyrite Stop). It can provide an excellent barrier against both atmospheric moisture and gas (oxygen); with much lower permeability than Paraloid B-72. Storage in low humidity environments remains essential, but Paraloid B-67 can provide an extra barrier layer between atmosphere and fossil. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eParaloid B-67 can be used as a coating or penetrant sealant for pyritic fossils. With its hydrophobic (water-repelling) properties it is a better candidate for this than \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\"\u003eParaloid B-72\u003c\/a\u003e. Moisture, whether atmospheric or liquid, is one of the main factors in pyrite decay. Paraloid B-67 is also removable as it is redissolvable in solvent, and so it can be used and then removed prior to another round of treatment in \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/pyrite-stop?_pos=1\u0026amp;_sid=4e9f67b9b\u0026amp;_ss=r\"\u003ePyrite Stop\u003c\/a\u003e (ethanolamine thioglycollate). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor this application, we have a 10% solution premixed in acetone. You may need to further dilute this in acetone depending on the fossil. Acetone provides the best\u003c\/span\u003e clarity of solution, speed of evaporation and impregnation capabilities for this application. It is not usually suitable for archival marking. \u003c\/p\u003e\n\u003cp\u003eWe absolutely recommend storage in a low humidity and low oxygen environment even after coating with Paraloid B-67. \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/pages\/pyritefossils\"\u003eLearn more here about preventing pyrite decay.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eProlonged exposure to UV light will cause yellowing, but in thin coatings this is unlikely to be noticeable. It can be removed with solvent and reapplied. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eNot to be confused with the more commonly used \u003ca href=\"https:\/\/www.zoicpalaeotech.co.uk\/products\/paraloid-b-72?_pos=1\u0026amp;_sid=3271e614d\u0026amp;_ss=r\"\u003eParaloid B-72\u003c\/a\u003e, which is chemically very different, and used as an adhesive and consolidant. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eIn archaeology, it is used to stabilise bone, clay, stone and other fragile artefacts. It is used outdoors for artefacts and monuments that require a hydrophobic (water repelling) coating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cem\u003eUK Mainland (excludes NI) customers only due to restrictions on shipping. We also have available in our shop the pellet form, which will allow you to purchase acetone and mix yourself with acetone purchased locally to you. \u003c\/em\u003e\u003c\/p\u003e","brand":"ZOIC PalaeoTech","offers":[{"title":"UK Mainland Shipping ONLY","offer_id":40208010477631,"sku":"","price":4.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/4695\/7631\/files\/PremixedParaloidB72_12.png?v=1696867773"}],"url":"https:\/\/www.zoicpaleotech.com\/collections\/pyrite-decay-prevention\/chemical-preparation.oembed","provider":"ZOIC PalaeoTech Limited","version":"1.0","type":"link"}