hydrozincite
水锌矿
水锌矿
Zinc \
Zinc \ (
z [
i ^][
ng ]
k ),
n . [
G .
zink ,
probably akin to zinn tin :
cf .
F .
zinc ,
from the German .
Cf . {
Tin }.] (
Chem .)
An abundant element of the magnesium -
cadmium group ,
extracted principally from the minerals zinc blende ,
smithsonite ,
calamine ,
and franklinite ,
as an easily fusible bluish white metal ,
which is malleable ,
especially when heated .
It is not easily oxidized in moist air ,
and hence is used for sheeting ,
coating galvanized iron ,
etc .
It is used in making brass ,
britannia ,
and other alloys ,
and is also largely consumed in electric batteries .
Symbol Zn .
Atomic number 30 .
Atomic weight 65 .
38 . [
Formerly written also {
zink }.]
[
1913 Webster ]
{
Butter of zinc } (
Old Chem .),
zinc chloride , {
ZnCl2 },
a deliquescent white waxy or oily substance .
{
Oxide of zinc }. (
Chem .)
See {
Zinc oxide },
below .
{
Zinc amine } (
Chem .),
a white amorphous substance ,
{
Zn (
NH2 )
2 },
obtained by the action of ammonia on zinc ethyl ; --
called also {
zinc amide }.
{
Zinc amyle } (
Chem .),
a colorless ,
transparent liquid ,
composed of zinc and amyle ,
which ,
when exposed to the atmosphere ,
emits fumes ,
and absorbs oxygen with rapidity .
{
Zinc blende } [
cf .
G .
zinkblende ] (
Min .),
a native zinc sulphide .
See {
Blende },
n .
(
a ) .
{
Zinc bloom } [
cf .
G .
zinkblumen flowers of zinc ,
oxide of zinc ] (
Min .),
hydrous carbonate of zinc ,
usually occurring in white earthy incrustations ; --
called also {
hydrozincite }.
{
Zinc ethyl } (
Chem .),
a colorless ,
transparent ,
poisonous liquid ,
composed of zinc and ethyl ,
which takes fire spontaneously on exposure to the atmosphere .
{
Zinc green },
a green pigment consisting of zinc and cobalt oxides ; --
called also {
Rinmann '
s green }.
{
Zinc methyl } (
Chem .),
a colorless mobile liquid {
Zn (
CH3 )
2 },
produced by the action of methyl iodide on a zinc sodium alloy .
It has a disagreeable odor ,
and is spontaneously inflammable in the air .
It has been of great importance in the synthesis of organic compounds ,
and is the type of a large series of similar compounds ,
as zinc ethyl ,
zinc amyle ,
etc .
{
Zinc oxide } (
Chem .),
the oxide of zinc , {
ZnO },
forming a light fluffy sublimate when zinc is burned ; --
called also {
flowers of zinc }, {
philosopher '
s wool }, {
nihil album },
etc .
The impure oxide produced by burning the metal ,
roasting its ores ,
or in melting brass ,
is called also {
pompholyx },
and {
tutty }.
{
Zinc spinel } (
Min .),
a mineral ,
related to spinel ,
consisting essentially of the oxides of zinc and aluminium ;
gahnite .
{
Zinc vitriol } (
Chem .),
zinc sulphate .
See {
White vitriol },
under {
Vitriol }.
{
Zinc white },
a white powder consisting of zinc oxide ,
used as a pigment .
[
1913 Webster ]
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