Kamis, 08 Juli 2010

Bahan Kimia Berbahaya (Chromium)

Chromium adalah suatu logam keras berwarna abu-abu dan sulit dioksidasi meski dalam suhu tinggi Chromium digunakan oleh industri : Metalurgi, Kimia, Refractory (heat resistent application). Dalam industri metalurgi, chromium merupakan komponen penting dari stainless steels dan berbagai campuran logam.

Dalam industri kimia digunakan sebagai :
• Cat pigmen (dapat berwarna merah, kuning, orange dan hijau)
• Chrome plating
• Penyamakan kulit
• Treatment WoolChromium terdapat stabil dalam 3 valensi. B

Berdasarkan urutan toksisitasnya adalah Cr-O, Cr-III, Cr-VI Electroplating, penyamakan kulit dan pabrik textil merupakan sumber utama pemajanan chromium ke air permukaan. Limbah padat dari tempat prosesing chromium yang dibuang ke landfill dapat merupakan sumber kontaminan terhadap air tanah.

Kelompok Resiko Tinggi :
• Pekerja di industri yang memproduksi dan menggunakan Cr.
• Perumahan yang terletak dekat tempat produksi akan terpajan Cr-VI lebih tinggi
•Perumahan yang dibangun diatas bekas landfill, akan terpajan melalui pernafasan (inhalasi) atau kulit.Pemajanan melalui :
• Inhalasi terutama pekerja
• Kulit
• Oral : masyarakat pada umumnyaDampak Kesehatan Efek Fisiologi :
• Cr (III) merupakan unsur penting dalam makanan (trace essential) yang mempunyai fungsi menjaga agar metabolisme glucosa, lemak dan cholesterol berjalan normal.
• Organ utama yang terserang karena Cr terhisap adalah paru-paru, sedangkan organ
lain yang bisa terserang adalah ginjal, lever, kulit dan sistem imunitas

Efek pada Kulit :
Dermatitis berat dan ulkus kulit karena kontak dengan Cr-IV

Efek pada Ginjal :
Bila terhirup Cr-VI dapat mengakibatkan necrosis tubulus renalis

Efek pada Hati :
Pemajanan akut Cr dapat menyebabkan necrosis hepar. Bila terjadi 20 % tubuh tersiram asam Cr akan mengakibatkan kerusakan berat hepar dan terjadi kegagalan ginjal akut.


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  • 18komentar:

    Posting Komentar

    [hide] kawanlama95 said...

    Blog ini aku rekomendasikan tentang ilmu kimia. terima kasih. Blog ini perlu di publikasikan ke kawan-kawan. met pagi sukses untuk anda

    on 13 Juli 2010 pukul 18.45
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    [hide] Heri Fauzan Suheri said...

    Terima kasih atas kunjungannya....

    on 14 Juli 2010 pukul 23.25
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    [hide] Allien 99 said...

    informasi ini penting bagi para pekerja industri sementara perlindungan sdm utk standar kesehatan industri di kita sering diabaikan.. ironis :((

    on 14 Juli 2010 pukul 05.12
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    [hide] Heri Fauzan Suheri said...

    Terima kasih atas kunjungannya

    on 14 Juli 2010 pukul 23.27
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    [hide] Prayudi Eko said...

    Hey, salam kembali...akhirnya ketemu juga blogmu ini,,,keepin' writing ya...

    Iya nih, kog berasa Kimia MIPA ya? ttg sifat dan karakteristik zat,,

    on 15 Juli 2010 pukul 06.19
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    [hide] Heri Fauzan Suheri said...

    @yudie
    Jangan salah loh, anak Teknik Kimia juga blajar sifat dasar bahan-bahan kimia. Supaya nanti pada saatnya bisa merancang proses yang sesuai dengan zat yang diproses.

    Terima kasih atas kunjungannya....

    on 15 Juli 2010 pukul 06.33
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    [hide] suri said...

    salam kawan..wah blog kamu cantik sekali

    on 15 Juli 2010 pukul 07.34
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    [hide] imtikhan said...

    pagi gan kunjungan rutin nich
    makaish ya

    on 15 Juli 2010 pukul 18.21
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    [hide] aviation tools said...

    Enormous piece of writing! I am pleased about it. I utterly agree with you. It is being required to to expand educator’s skill.

    on 15 Juli 2010 pukul 19.26
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    [hide] akhatam said...

    Pengetahuan yang sangatt bagus... Tx mas Heri

    on 16 Juli 2010 pukul 20.28
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    [hide] andry sianipar said...

    hello-
    wah... ilmua baru lagi neeh...
    saya jadi tambah pengetahuan setelah baca artikel ini...

    on 18 Juli 2010 pukul 04.46
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    [hide] imtikhan said...

    met siang sobat blogger
    berkunjung nich
    terima kasih

    on 19 Juli 2010 pukul 21.04
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    [hide] suri said...

    salam kawan...
    satu ilmu yang bagus sekali :)

    on 19 Juli 2010 pukul 23.59
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    [hide] orange float said...

    ngak berani dekat-dekat ah =((

    on 22 Juli 2010 pukul 22.52
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    [hide] jasmine said...

    banyak bahaya nya sedangkan jaminan kesehatan hanya sekedarnya.

    on 23 Juli 2010 pukul 23.06
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    [hide] emerzet615 said...

    wah...bahaya juga ya..???tempat ane kerja ga ada kayaknya deh bahan kimia semacam itu...cuman kalo ada pekerja yang memperbaiki dinding dan ada pengecatan aja yang bikin bau....
    Paling banter ya...bau amoniak dari pabrik tetangga sebelah..he...he...

    Oiya...thanks kunjungannya....

    on 24 Juli 2010 pukul 12.20
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    [hide] TUKANG CoLoNG said...

    selain berbahaya eang manfaat chrome banyak banget, teruama untung dekotarif dan pelapisan anti karat serta gores

    on 25 Juli 2010 pukul 07.29
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    [hide] Blog Progress said...

    http://kiri-jalan-terus.blogspot.com/

    Sob gw dah follow nich...
    follow balik yach,,,
    bagi yang mau follow n tuker link ksini ya,,,,

    on 27 Juli 2010 pukul 07.13
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