stannic
a . 锡的,四价锡的
锡的,四价锡的
stannic adj 1 :
of or relating to or containing tin [
synonym : {
stannic },
{
stannous }]
Stannic \
Stan "
nic \ (-
n [
i ^]
k ),
a . [
L .
stannum tin :
cf .
F .
stannique .] (
Chem .)
Of or pertaining to tin ;
derived from or containing tin ;
specifically ,
designating those compounds in which the element has a higher valence as contrasted with {
stannous }
compounds .
[
1913 Webster ]
{
Stannic acid }.
(
a )
A hypothetical substance , {
Sn (
OH )
4 },
analogous to silicic acid ,
and called also {
normal stannic acid }.
(
b )
Metastannic acid .
{
Stannic chloride },
a thin ,
colorless ,
fuming liquid ,
{
SnCl4 },
used as a mordant in calico printing and dyeing ;
--
formerly called {
spirit of tin },
or {
fuming liquor of Libavius }.
{
Stannic oxide },
tin oxide , {
SnO2 },
produced artificially as a white amorphous powder ,
and occurring naturally in the mineral cassiterite .
It is used in the manufacture of white enamels ,
and ,
under the name of {
putty powder },
for polishing glass ,
etc .
[
1913 Webster ]
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