Thermophysical studies on uranyl nitrate hexahydrate–Iron (III) nitrate nonahydrate system

Kalekar, Bhupesh B.; Kameswaran, R.; Reddy, Α. V. R.

doi:10.1007/s10973-012-2825-1

Cited by 4 publications

(1 citation statement)

References 14 publications

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“…The hydrated salt Fe(NO3)3ꞏ9H2O melts at a very low temperature of 47 °C and very soon thereafter begins to undergo partial dehydration to Fe(NO3)3ꞏ3H2O, followed by a series of hydrolysis steps [Ref. [30][31][32] In an attempt to understand the ambient temperature initiation of the WIPP event, the processes conducted at LANL that generated the evaporator bottoms were investigated, from which a plausible recipe of metal nitrate salts was postulated. This surrogate recipe, combined with samples of starch based kitty litter, was tested by various experimental techniques to probe the temperature at which onset to thermal runaway is initiated [Ref.…”

Section: Oxidizer Property Associated With Individual Metal Nitrate Smentioning

confidence: 99%

Evaluation of the lgnitability Hazards in Remediated Nitrate Salt Waste

Duval

Chancellor

Lemons

2020

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The hazards associated with the characteristic of ignitability in remediated nitrate salt (RNS) waste containing nitric acid (HNO3) and metal nitrate salts, currently stored at the Waste Control Specialists (WCS) facility near Andrews, Texas have been evaluated. For these waste drums there are two ignitability hazards that may apply, each separately distinguished from the other and uniquely correlated to one of two competing reaction mechanisms. One ignitability hazard, designated the autocatalytic thermal runway, is uniquely correlated to an acid/base reaction of hydrolysis of a hydrated metal nitrate salt. The other applicable ignitability hazard, designated the oxidizer property, is uniquely correlated to a redox disproportionation reaction involving an anhydrous metal nitrate salt. Which reaction mechanism pathway is accessible to a given metal nitrate, and therefore which ignitability hazard may apply, depends on the acidity of the metal ion and its corresponding capacity to maintain coordination with water.

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Section: Oxidizer Property Associated With Individual Metal Nitrate Smentioning

confidence: 99%