{"product_id":"microwave-acid-digestion-vessel-23-ml-parr-instruments-4781","title":"Microwave Acid Digestion Vessel, 23 mL, Parr Instruments, 4781","description":"\u003cp\u003e\u003cstrong\u003eParr Instruments® Microwave Acid Digestion Vessel, 23 mL, 4781\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:  \u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFast digestion times — many materials requiring exposures of less than one minute to obtain complete dissolution\u003c\/li\u003e \u003cli\u003eRapid cycle time allows for step digestions either by addition of acid in several steps or using different acids in steps to dissolve inorganics once organic matrix is destroyed\u003c\/li\u003e \u003cli\u003eTemperatures to 250 °C\u003c\/li\u003e \u003cli\u003ePressures to 1200 psi\u003c\/li\u003e \u003cli\u003eComplete containment of volatiles\u003c\/li\u003e \u003cli\u003eFreedom from metal contamination with high strength polymer vessels\u003c\/li\u003e \u003cli\u003eChemically-inert vessels in which microwave heating can be used for rapid sample dissolution in sealed vessel\u003c\/li\u003e \u003cli\u003eCan be placed directly in microwave oven for specific, high speed heating to drastically reduce time required to dissolve or digest analytical sample\u003c\/li\u003e \u003cli\u003eMade in two sizes that can be heated in any of commercial microwave ovens regularly offered for household use — no specially constructed and\/or vented ovens required\u003c\/li\u003e \u003cli\u003eHigh strength design provides much more vigorous action than can be obtained with open-cup microwave digestion systems which are restricted to lower temperatures and pressures\u003c\/li\u003e \u003cli\u003eNo loss of volatile matter from these sealed vessels and microwave oven is not exposed to corrosive acid fumes\u003c\/li\u003e \u003cli\u003eSeveral safety features built into vessel construction \u003cul\u003e \u003cli\u003eSelf-sealed with PTFE O-ring\u003c\/li\u003e \u003cli\u003eOver-pressure prevented by compressible relief disc that operates in conjunction with O-ring cup seal — disc releases support to O-ring at approximately 1500 psi allowing O-ring to blow out\u003c\/li\u003e \u003cli\u003ePressure indicator is by retaining screw, which is normally flush with top of vessel cap, will protrude above top surface as pressure increases at approximate rate of 1\/32 inch for each 500 psi\u003c\/li\u003e \u003cli\u003eOuter body and screw cap made of microwave-transparent polymer maintains good strength up to about 150 °C — outside body seldom reaches above 50 °C thanks to its insulating power which keeps heat inside vessel\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"Parr Instrument Company","offers":[{"title":"EA (1)","offer_id":51111603110203,"sku":"PAR-4781-EA","price":805.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/PAR-4781.png?v=1784720212","url":"https:\/\/preiser.com\/products\/microwave-acid-digestion-vessel-23-ml-parr-instruments-4781","provider":"Preiser Scientific","version":"1.0","type":"link"}