- In
chemistry the term
zincate may
refer to
several substances containing the
element zinc:
usually the
anion ZnO22−, more
properly called tetrahydroxozincate...
-
Sodium zincate refers to
anionic zinc
oxides or hydroxides,
depending on conditions. In the
applications of
these materials, the
exact formula is not...
- of the
zincate anions, and is
often called just
zincate.
These names are also used for the
salts containing that anion, such as
sodium zincate Na2Zn(OH)4...
-
migrate into the zinc
paste and form
zincate (Zn(OH)2− 4),
releasing electrons to
travel to the cathode. The
zincate decays into zinc
oxide and
water returns...
-
which dissolve in
concentrated sodium hydroxide solutions to give
sodium zincate and
sodium plumbate respectively.
Sodium hydroxide is
traditionally used...
- precipitate. In
stronger alkaline solutions, this
hydroxide is
dissolved to form
zincates ([Zn(OH)4]2− ). The
nitrate Zn(NO3) 2,
chlorate Zn(ClO3) 2,
sulfate ZnSO...
-
electronegative metal, by
immersion in a
solution containing a zinc or
zincate ions, Zn(OH)2− 4. A
typical use is
plating aluminum with zinc
prior to...
- diluted. Zn2+ + 2 OH− → Zn(OH)2. The
initial colorless solution contains the
zincate ion: Zn(OH)2 + 2 OH− → Zn(OH)42−. Zinc
hydroxide will
dissolve because...
-
bound into oxyanions. In
sodium zincate Na2ZnO2, for example, the
oxygens are
bound to the zinc
atoms forming zincate anions. (On the
other hand, strontium...
- tin, and lead
react with the
alkali metal hydroxides to give aluminates,
zincates, stannates, and plumbates.
Silicon dioxide is acidic, and thus the alkali...