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Characterization of Black Pigment Based on Iron Oxide from Mill Scale by Simple Burning Method

Unnes Physics Journal · Vol. 5 No. 2 (2017) · hlm. 27–31

ISSN
2252-6978
Terbit
2017-10-19
Penerbit
Unnes Physics Journal
Bahasa
eng

Abstrak

Pigment is material that we use in many application such as paint, ink, material protection, and much more. There are two groups of pigment, organics pigment (dyes) that are derived from animals or plants and inorganic pigment that are derived from mineral compound. Black pigment based on iron oxide is one of inorganic pigment groups. We got iron ion (ferrous Fe2+ and ferrite Fe3+) from mill scale that we know as steel industrial's waste. Mill scale was dried under sunlight then milled to get powder form. Mill scale powders calcined on 800oC temperature in furnace and kept 2 hours so we had more homogeny and dry material with dark red-purple color. Composition of mixture solution varied from 5%, 10%, 15% and 20% weight of powder. The next process, powders was added into mixture solution of sodium hydroxide (NaOH) and ammonia hydroxide (NH4OH) so we got sludge material. Sludge burned in furnace at temperature 900oC and with 3 hours holding time so we got black material that we expect as black pigment. Black pigment samples were analyzed using XRD showed that black pigment form is hematite (Fe2O3) and the optimum color in CIELab color system are L=18.94, a=5.81, b=7.15. Commonly black pigment form is magnetite (Fe3O4), but we got it dominant in hematite form.

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Mahardika Prasetya AjiAfiliasi tidak diketahui6
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Ellianawati EllianawatiState University of Semarang3
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Sutikno SutiknoDiponegoro University1
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Langlang HandayaniAfiliasi tidak diketahui1
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Scolastika MarianiState University of Semarang1
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Endang SusilaningsihState University of Semarang1
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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/sju/index.php/upj/oai, pertama di-harvest 6 Nov 2026, terakhir terlihat 6 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Characterization of Black Pigment Based on Iron Oxide from Mill Scale by Simple Burning Method</dc:title>
	<dc:creator>Fitriawan, Margi</dc:creator>
	<dc:creator>Yulianto, Agus</dc:creator>
	<dc:description xml:lang="en-US">Pigment is material that we use in many application such as paint, ink, material protection, and much more. There are two groups of pigment, organics pigment (dyes) that are derived from animals or plants and inorganic pigment that are derived from mineral compound. Black pigment based on iron oxide is one of inorganic pigment groups. We got iron ion (ferrous Fe2+ and ferrite Fe3+) from mill scale that we know as steel industrial's waste. Mill scale was dried under sunlight then milled to get powder form. Mill scale powders calcined on 800oC temperature in furnace and kept 2 hours so we had more homogeny and dry material with dark red-purple color. Composition of mixture solution varied from 5%, 10%, 15% and 20% weight of powder. The next process, powders was added into mixture solution of sodium hydroxide (NaOH) and ammonia hydroxide (NH4OH) so we got sludge material. Sludge burned in furnace at temperature 900oC and with 3 hours holding time so we got black material that we expect as black pigment.&amp;nbsp; Black pigment samples were analyzed using&amp;nbsp; XRD &amp;nbsp;showed&amp;nbsp; that&amp;nbsp; black&amp;nbsp; pigment&amp;nbsp; form&amp;nbsp; is&amp;nbsp; hematite&amp;nbsp; (Fe2O3)&amp;nbsp; and&amp;nbsp; the&amp;nbsp; optimum&amp;nbsp; color&amp;nbsp; in&amp;nbsp; CIELab&amp;nbsp; color&amp;nbsp; system&amp;nbsp; are L=18.94, a=5.81, b=7.15. Commonly black pigment form is magnetite (Fe3O4), but we got it dominant in hematite form.</dc:description>
	<dc:publisher xml:lang="en-US">Unnes Physics Journal</dc:publisher>
	<dc:date>2017-10-19</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/sju/upj/article/view/18537</dc:identifier>
	<dc:source xml:lang="en-US">Unnes Physics Journal; Vol 5 No 2 (2016); 27-31</dc:source>
	<dc:source>2252-6978</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/sju/upj/article/view/18537/8925</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2017 Unnes Physics Journal</dc:rights>
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