{"product_id":"model-4748-large-capacity-acid-digestion-vessels-125-ml-parr-instruments-4748","title":"Model 4748 Large Capacity Acid Digestion Vessels, 125 mL, Parr Instruments, 4748","description":"\u003cp\u003e\u003cstrong\u003eParr Instruments® Model 4748 Large Capacity Acid Digestion Vessels, 125 mL, Parr Instruments, 4748\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eModel 4748 vessel is one of largest of all Parr acid digestion vessels\u003c\/li\u003e \u003cli\u003e4748 has a 125 mL, removable PTFE cup in a stainless steel body with six cap screws in the screw cap to seal the flanged PTFE cup\u003c\/li\u003e \u003cli\u003eExpandable wave spring maintains continuous pressure on seal during cooling cycle when PTFE parts might otherwise relax and leak\u003c\/li\u003e \u003cli\u003eStirring can be provided with magnetic stir bar\u003c\/li\u003e \u003cli\u003eSafety blow-off disc above PTFE cup will release pressure through an opening in vessel head if pressure should accidentally reach 3500 psi range\u003c\/li\u003e \u003cli\u003eFor safe operation, pressures in these vessels should never exceed 1900 psi and temperatures must not exceed 250 °C\u003c\/li\u003e \u003cli\u003eOperations should be conducted well below these limits whenever possible due to potential destructive forces in large vessel charge\u003c\/li\u003e \u003cli\u003eIt also is advisable to test any new procedures for safety in one of smaller vessels before scaling up to these sizes\u003c\/li\u003e \u003cli\u003eWrench for cap screws is furnished with vessels—no other accessories required\u003c\/li\u003e \u003c\/ul\u003e","brand":"Parr Instrument Company","offers":[{"title":"EA (1)","offer_id":51111603044667,"sku":"PAR-4748-EA","price":1680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/PAR-4748.png?v=1784720209","url":"https:\/\/preiser.com\/products\/model-4748-large-capacity-acid-digestion-vessels-125-ml-parr-instruments-4748","provider":"Preiser Scientific","version":"1.0","type":"link"}