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Barium sulfate (79)CAS RN:7727-43-7;13462-86-7
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R.E. Carroll, IncTelephone:(609) 695-6211
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Whittaker, Clark and Daniels, Inc.Telephone:908 561-6100/800 732-0562
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Excalibar Minerals Inc.Telephone:281-872-4539 / 800-945-5293
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Darwin Chemical CompanyTelephone:+1 (954) 315-0252
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J.M. Huber Corp. (Engineered Minerals / headquarters)Telephone:404-949-5400
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Barium And ChemicalsTelephone:+1 740-282-9776
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CR Chemical CorporationTelephone:1-956-753-9524
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The Feldspar Corp.(Zemex Corp)Telephone: (770) 392-8660
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Interstate Chemical Co., Inc.Telephone:(815) 467-1777
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Barium & Chemicals IncTelephone: 740-282-9776