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Meaning of quercitannoform | Babel Free

Noun CEFR C2

Definitions

Tannoform derived from quercitannin or quercitannic, rather than gallotannic, acid.

obsolete, uncountable

Examples

“Quercitannoform, CH2(C1, H13O7)2 + H2O, from quercitannic acid and formaldehyde, is a reddish - yellow powder which blackens at 275°; it is insoluble in water, ammonia, and soda, and its solution in sulphuric acid, which[…]”

“QUERCITANNOFORM is prepared in the same oak-bark, forming a yellowish-red powder, insoluble in water, alkalies and other organic solvents. In addition, Quecitannoform […]”

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

quercite quercitin quercitol quercitrin quercitron Quercy