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Browsing Chemical by Author "Yanti, Pepi Helza"

Now showing items 1-6 of 6

PEMANFAATAN CANGKANG LOKAN (Geloina coaxans) UNTUK SINTESIS HIDROKSIAPATIT MENGGUNAKAN METODE PENGENDAPAN

Maylinda, Nia; Awaluddin, Amir; Yanti, Pepi Helza (2016-05-02)

The synthesis of hydroxyapatite (HAp) from seashell (Geloina coaxans) using precipitation method has been done . The seashell (Geloina coaxans) and H3PO4 were used as sources of calcium and phosphate. Molar ratio of precursor ...
SINTESIS DAN KARAKTERISASI KOMPOSIT HIDROKSIAPATIT-KITOSAN DAN UJI EFEKTIVITAS DAYA SERAP TERHADAP METILEN BIRU MELALUI VARIASI MASSA

Dari, Sri Wulan (2020-12)

Composite is a material that is formed from two or more combination materials with the result that it is resulted a composite material that has different mechanical and characteristic properties from the forming material. ...
SINTESIS DAN UJI ADSORPSI METILEN BIRU PADA KOMPOSIT HIDROKSIAPATIT-GELATIN (K-HAp/Gel) MELALUI VARIASI MASSA ADSORBEN

Aspama, Rifa (2020-10)

Composite is a material that is formed from two or more materials with different properties, so that a material with different properties and characteristics is produced. Composite consists of reinforcement and a matrix. ...
SINTESIS KOBAL OKSIDA (Co3O4) DAN UJI DEGRADASI PADA METANIL KUNING

Prasanti, Astarina Atik; Mukhtar, Akmal; Yanti, Pepi Helza (2016-05-16)

The synthesis of cobalt oxides by precipitation method have been done. (Co(NO3)2.6H2O and KOH was used as precursors in synthesis. Molar ratio of precursors 1:1 M. Temperature of calcination at 900oC was done to deteminate ...
SINTESIS TEMBAGA OKSIDA (CuO) SERTA UJI DEGRADASI TERHADAP METANIL KUNING

Kurniati, Titin; Mukhtar, Akmal; Yanti, Pepi Helza (2016-05-02)

Degradation of methanil yellow solution had been done by photocatalytic using CuO as catalyst. CuO was synthesized by precipitation method using as copper nitrate (Cu(NO3)2.3H2O) with precipitator NaOH molar ratio of ...
SINTESIS TIMBAL OKSIDA (PbO) SERTA UJI DEGRADASI TERHADAP METANIL KUNING

Lisniwari; Mukhtar, Akmal; Yanti, Pepi Helza (2016-05-02)

Photodegradation has good potential for the degradation of organic pollutants such as dyes. Catalyst used in the degradation is a semiconductor. In this study, the semiconductor used is PbO, that was synthesize using the ...

Browsing Chemical by Author "Yanti, Pepi Helza"

Browsing Chemical by Author "Yanti, Pepi Helza"

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