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gloo
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I want to know how easy it is to find or make a really dense liquid...perhaps 4000 kg per cubic meter at room temperature or lower. I need it to be easily made so that it can fill huge a huge volume like thousands of cubic meters. Is this even possible? Mercury is too dangerous and scarce; many others listed seem extremely toxic. How about Iodine? Is it easy to make and is it safe in containers?
Thanks
Thanks