Arsenious

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historical examples

-rs-nious oxide is also used as a chemical reagent in gl-ss making and in the dye industry.
an elementary study of chemistry william mcpherson

-rs-nious acid is found in commerce in the form of a white powder or in small opaque cakes.
memoranda on poisons thomas hawkes tanner

-rs-nious acid, if present, should be removed by sulphuretted hydrogen before applying the tests.
cooley’s practical receipts, volume ii arnold cooley

-rs-nious acid preserves bodies very well, but a single subject would require a killogram!
history of embalming j. n. gannal

-rs-nious acid is more frequently used than manganese for the correction of the iron impurity.
british manufacturing industries l. arnoux

-rs-nious acid sublimes in both gl-ss tubes very readily, as a white crystalline sublimate.
a system of instruction in the practical use of the blowpipe anonymous

-rs-nious acid again has been respired in the form of vapour.
poisons: their effects and detection alexander wynter blyth

-rs-nious acid sublimes with great ease in minute octohedral crystals.
a system of instruction in the practical use of the blowpipe anonymous

as -rs-nious anhydride:—obtained in a weighed capsule or tube, either by the crystallisation or sublimation test.
cooley’s cyclopdia of practical receipts and collateral information in the arts, manufactures, professions, and trades…, sixth edition, volume i arnold cooley

adjective
of or containing -rs-nic in the trivalent state