Rapid determination of thorium in ores: Determination of microgram amounts of thorium in ilmenite sands

✍ Scribed by V.T. Athavale; K.P. Oke; M.M. Tillu

• Publisher: Elsevier Science
• Year: 1959
• Tongue: English
• Weight: 355 KB
• Volume: 21
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/0003-2670(59)80231-2

✦ Synopsis

oxalic acid solution. 1-Jyclroycn pcroxidc: 10 ml of 3ov/" I.1202 tlilntctl to 100 trill with ctistillccl water, J_,nntl~anum nitrate: To contain 1 xnl = 1 sng La203 in tlilntc l-IX0 :I. kfyciroftnoric acid wrstr solution: 5 ml of &IF diluted to 100 ml with ilistillcd water. Ikdssiiln~ iotlatc rcngcnt: 15 g caf KLO:, (E. hfcrck) rlissolvcrl in 100 nd of I-lNO3 (L : t) nnd filtcrccl tllrongll ;L dry pnpcr. l'otassinnt idatc w;~sll wl\ltion: IO g of KLO:, clissolvccl in 200 ml of IiNO:, (1 : I) and ma&2 up to i litrc wit11 clistillcd water. Tllorin rcagant: 0.1 g of tliorin (Eastnxn~ Kotfalr) rlissolvcd in ctistiiicrl wntcr rind tnadc up to too 1n1. Stiknclnrd thorio solution: I m1 = 5 j&g of thoria.