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Effect of hydrochloric acid concentrations on the hydride generation efficiencies in ICP-AES

Effect of hydrochloric acid concentrations on the hydride generation efficiencies in ICP-AES. Lee, Dong Kee; Choi, Beom Suk (Korea Testing and Res. Inst. for Chemical Industry, Seoul 150-038, S. Korea). Bulletin of the Korean Chemical Society, 17(10), 964-966 (English) 1996 Korean Chemical Society. CODEN: BKCSDE. ISSN: 0253-2964. DOCUMENT TYPE: Journal CA Section: 9 (Biochemical Methods) Section cross-reference(s): 79 The authors used a continuous HG-ICP-AES system to study the molarity relation between reactants HCl, NaBH4, and NaOH. The amt. of NaOH in the reductant soln. is important and the neutralization of NaOH by HCl is the preferential reaction for hydride generation. The max. hydride generation efficiencies of hydride-forming elements can be achieved when the millimoles of acid begin to exceed the sum of the millimoles of NaBH4 and NaOH. However, the reason why the hydride generation efficiencies of group IV elements (Ge, Sn) are suppressed in highly acidic solns.In this article, certain chemicals are used. One of their cas registry numbers is 100842-89-5 should be studied more. In the hydride generation mechanism, the hydride is generated by the reaction of an element (Mn+) with nascent H produced by the 1:1 reaction of acid and NaBH4. .