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http://www.zinc.org/ Zinc sulphide ZnS mixed with barium sulphate is used as a white pigment known
as lithopone. ZnS is also used as a detector of alpha-rays, which render it
luminescent. ZnS and the selenide ZnSe are used in infrared optics. Zinc salts
have various applications: zinc chloride in the textile industry, and as a
scaling flux in galvanizing; zinc sulphate in agriculture and animal feed; zinc
phosphate to passivate steels, etc. Organic salts of zinc are used in paints,
and zinc stearate is used in the preparation of plastics as well as in powder
metallurgy.
GENERAL
DESCRIPTION: Lithopone is a white pigment composed of a mixture of barium sulfate (28
- 30%) and zinc
sulfide (68 - 70%) with trace amounts of zinc oxide. It is produced by precipitation through filtering, heating
and quenching works. Lithopone has mostly been replaced by titanium dioxide
which is more durable, but it
is much cheaper. It is used as a base for lake pigment and used as
a inert pigment for paint, ink and cosmetics as well as in a large range of applications in plastic
industry. It is used as a filler in paper, leather, and linoleum.
Members
of pigment white
C.I.
Number |
Chemical
name
|
CAS
RN
|
Pigment white 1 |
Lead hydroxide
carbonate |
1319-46-6 |
Pigment white 3 |
Lead sulfate
|
7446-14-2 |
Pigment white 4 |
Zinc oxide |
1314-13-2 |
Pigment white 5 |
Lithopone
|
1345-05-7 |
Pigment white 6 |
Titanium dioxide
|
13463-67-7 |
Pigment white 7 |
Zinc sulfide
|
1314-98-3 |
Pigment white 10 |
Barium carbonate |
513-77-9 |
Pigment white 11 |
Antimony trioxide
|
1309-64-4 |
Pigment white 12 |
Zirconium oxide
|
1314-23-4 |
Pigment white 14 |
Bismuth oxychloride
|
7787-59-9 |
Pigment white 17 |
Bismuth subnitrate |
1304-85-4 |
Pigment white 18 |
Calcium carbonate |
471-34-1 |
Pigment white
19 |
Kaolin |
1332-58-7 |
Pigment white 21 |
Barium sulfate |
7727-43-7 |
Pigment white 24 |
Aluminum hydroxide |
21645-51-2 |
Pigment white 25 |
Calcium sulfate
|
7778-18-9 |
Pigment white 27 |
Silicon dioxide |
7631-86-9 |
Pigment white 28 |
Calcium metasilicate |
10101-39-0 |
Pigment white 32 |
Zinc phosphate cement
|
7779-90-0 |
|