Oxalate blasting powders

Oxalate Blasting Powders. Mining safety expls invented in Eng) by Greaves and Hann in 1897— 98 and manufd by the Oxalate Blasting Powder Co at Gatebeck (Westmoreland), which later became the Nitrates Explosives Co, Ltd. These expls were a modification of BlkPdr in which sulfur was partially or entirely replaced by one or more of the following oxalic acid, oxalates of Aram, K or Na (simple or double), borax, boric acid, etc, each of which could contain w of hydration. The purpose of these substitutions was to obtain expls with a cool flame, so that they could be safely used in gaseous mines Refs 1) Daniel (1902), 592-3 2) Cond-... 

K oxalate was used as a cooling agent in mining expls such as Oxalate Blasting Powder (see in this Vol) and Gelatine-Prosperit (see in Vol 6, G52)... 

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