{"title":"Sealed Element Displays","description":"","products":[{"product_id":"supercritical-fluid-xenon-glass-sealed-liquid-xenon-for-element-collection","title":"Supercritical Fluid Xenon, Glass-Sealed Liquid Xenon for Element Collection","description":"\u003cp\u003eThis is liquid xenon sealed in a quartz tube, with a supercritical transition temperature of 18°C. Supercritical fluids are a fascinating physical phenomenon. For more details, you can refer to Wikipedia:  https:\/\/en.wikipedia.org\/wiki\/Supercritical_fluid\u003c\/p\u003e\n\u003cp\u003eThe product includes a tube of liquid xenon (approximately 4 cm in length) and a metal display stand.\u003c\/p\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50103272472891,"sku":"","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/17733909_3.jpg?v=1741954129"},{"product_id":"glass-sealed-no2","title":"Glass sealed NO2","description":"\u003cp\u003eThis is used to demonstrate how temperature affects chemical equilibrium.\u003c\/p\u003e\n\u003cp\u003eIn the sealed tube, NO2 and N2O4 interconvert:\u003c\/p\u003e\n\u003cp\u003e2 NO2(g) ⇌ N2O4(g)\u003c\/p\u003e\n\u003cp\u003eTheir ratio changes with temperature, producing different colors (more NO2 gives a brown color; more N2O4 gives a colorless\/pale appearance). It’s a classic equilibrium demonstration.\u003c\/p\u003e\n\u003cp\u003eYou can see an example here:\u003cbr\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=Vt9HyDnTZ6E\" target=\"_blank\"\u003ehttps:\/\/www.youtube.com\/watch?v=Vt9HyDnTZ6E\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"426\" width=\"426\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/111.jpg?v=1769601308\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe ship worldwide and handle all import and logistics details. Just place your order and wait for delivery. Typical delivery time is 7–14 days.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50663352992059,"sku":null,"price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/NO2.jpg?v=1767080769"},{"product_id":"antigravity-fluid-tube","title":"Antigravity Fluid Tube - Glass Sealed Xenon Supercritical Fluid","description":"\u003cp\u003e\u003cstrong\u003eWhat's this\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInside the glass tube is a curious “antigravity” scene: the fluid on top is a liquid, while the “gas” below seems to hold it up. What you’re seeing isn’t magic—it’s a special state of matter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe key player is xenon in its supercritical state, often called the fourth state of matter. A supercritical fluid looks like a gas, but it can have a liquid-like density.\u003c\/li\u003e\n\u003cli\u003eIn this tube, we seal two components together: xenon and a dyed alcohol.\u003c\/li\u003e\n\u003cli\u003eUnder the right temperature and pressure, xenon becomes supercritical. It appears gaseous, yet its density reaches about 1.1 g\/cm³.\u003c\/li\u003e\n\u003cli\u003eThat density is actually higher than the alcohol’s. As a result, the liquid alcohol floats on top of the “gaseous” supercritical xenon.\u003c\/li\u003e\n\u003cli\u003eThis inversion of the usual order—liquid above, “gas” below—creates the striking antigravity effect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn short: supercritical xenon behaves like a gas to the eye, but it’s dense enough to support a lighter liquid above it.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe ship worldwide and handle all import and logistics details. Just place your order and wait for delivery. Typical delivery time is 7–14 days.\u003c\/span\u003e\u003c\/p\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50674260377915,"sku":null,"price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/1_343d074f-2aec-4429-9b61-7a92fa28e984.jpg?v=1769601220"},{"product_id":"supercritical-co2-fluid-glass-sealed-carbon-dioxide","title":"Supercritical CO2 Fluid Glass-sealed Carbon Dioxide","description":"\u003cp\u003eCarbon dioxide is sealed inside a glass tube. Below 31°C, CO₂ is in a liquid state under high pressure. When the temperature rises above 31°C, CO₂ can no longer be liquefied even at very high pressure and instead enters the supercritical state. Therefore, above 31°C you can observe the fourth state of matter: the supercritical state (\u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Supercritical_fluid\" target=\"_blank\"\u003ehttps:\/\/en.wikipedia.org\/wiki\/Supercritical_fluid\u003c\/a\u003e).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/demo.png?v=1767085334\" alt=\"\" width=\"512\" height=\"512\"\u003e\u003cimg\u003e\u003cimg\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBelow 31°C, you can see liquid CO₂ inside the tube. Gently warm the glass tube by immersing it in warm water (do not exceed 60°C). As the temperature rises past 31°C (the critical temperature), CO₂ can no longer be liquefied—even under very high pressure—and transitions into the supercritical state.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eWe ship worldwide and handle all import and logistics details. Just place your order and wait for delivery. Typical delivery time is 7–14 days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e15cm×5cm×2.5cm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50674292818235,"sku":null,"price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/CO2_2.jpg?v=1769597810"},{"product_id":"glass-sealed-n-octadecane-paraffin-wax-c18h38","title":"Glass-sealed n-Octadecane (Paraffin Wax, C18H38)","description":"\u003cp\u003e\u003cimg\u003eDiscover phase change in the palm of your hand. This elegant desktop display features a glass-sealed ampule filled with high-purity n‑octadecane (C18H38), a paraffin with a precise melting point of about 28°C (82°F). At typical room temperature it appears as a white solid; gently warm the tube with your hands for a minute and watch it transition into a clear liquid—then cool it to see crystals reform. It’s a simple, mesmerizing demonstration of thermodynamics and latent heat.\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"180\" width=\"180\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/Solid.jpg?v=1767079035\"\u003e \u003cimg height=\"180\" width=\"180\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/d61201d346df4d1e3d7f50063da9f6fd.jpg?v=1767079035\"\u003e \u003cimg height=\"180\" width=\"180\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/Liquid.jpg?v=1767079034\"\u003e\u003c\/p\u003e\n\u003cp\u003eWhat’s included\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne glass-sealed tube containing n‑octadecane\u003c\/li\u003e\n\u003cli\u003eA minimalist metal display stand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhy you’ll love it\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInteractive: Observe solid–liquid phase change without spills or refills\u003c\/li\u003e\n\u003cli\u003eEducational: Perfect for classrooms, makers, and science enthusiasts\u003c\/li\u003e\n\u003cli\u003eDecorative: A clean, modern conversation piece for any desk or shelf\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse notes\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest viewed near room temperature (20–26°C). Hand warmth is usually enough to trigger melting.\u003c\/li\u003e\n\u003cli\u003eDo not heat above moderate warm-water temperatures. Handle the glass tube with care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShipping\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWe ship worldwide and handle all import and logistics details. Just place your order and wait for delivery. Typical delivery time is 7–14 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSize\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe stand is 18 cm tall; the glass tube is 6 cm long and 1 cm in diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/18_2.jpg?v=1769597669\" alt=\"\" width=\"352\" height=\"352\"\u003e\u003c\/p\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50884775936315,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/1_1.jpg?v=1767074171"},{"product_id":"a-glass-sphere-encapsulating-iodine","title":"A glass sphere encapsulating iodine","description":"\u003cp\u003eThe glass sphere is first evacuated to high vacuum, then iodine is distilled into it, ensuring the sphere contains only very pure iodine. Because iodine sublimates and recondenses, keeping the sphere at around 40°C for continuous “cultivation” can produce very large, attractive iodine crystals, with diameters of several millimeters—the largest iodine crystals I’ve seen anywhere online so far.\u003c\/p\u003e\n\u003cp\u003eIt’s recommended to grow them in a warm spot such as inside a computer case or near a heater. \u003c\/p\u003e\n\u003cp\u003eDue to vibrations during shipping that can disrupt crystallization, you’ll need to regrow the crystals after receiving the sphere; this typically takes about one to two weeks.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize: \u003c\/strong\u003eThe diameter of the glass sphere is 6 cm.\u003c\/p\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50912168640827,"sku":null,"price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/3.jpg?v=1768288520"},{"product_id":"memory-metal-flower-nitinol-alloy","title":"Memory metal flower (Nitinol alloy)","description":"\u003cp\u003eA flower made from memory metal: at around 20°C (68°F) the flower is closed, and at 30°C (86°F) it opens. Place the flower on your hand and gently breathe on it; it will open quickly. After cooling for about ten seconds, the flower will close again.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"Message_messageTextContainer__w64Sc\"\u003e\n\u003cdiv class=\"Message_selectableText__SQ8WH\"\u003e\n\u003cdiv class=\"Markdown_markdownContainer__Tz3HQ\"\u003e\n\u003cdiv class=\"Prose_prose__7AjXb Prose_presets_prose__H9VRM Prose_presets_theme-hi-contrast__LQyM9\"\u003e\n\u003cp\u003eThis is a product designed to demonstrate how memory metal can take on different shapes at different temperatures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 4cm*4cm*2cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HaloPlasma","offers":[{"title":"Default Title","offer_id":50912198000955,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/files\/1_df248107-3fca-4dab-9b7c-e65bc20c1495.jpg?v=1769597347"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/7319\/1995\/collections\/co_2.jpg?v=1779178038","url":"https:\/\/haloplasma.com\/collections\/sealed-chemistry-displays.oembed","provider":"HaloPlasma","version":"1.0","type":"link"}