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All Journal PHARMACY: Jurnal Farmasi Indonesia (Pharmaceutical Journal of Indonesia) JENIUS: Jurnal Terapan Teknik Industri Jurnal Pengabdian kepada Masyarakat Jurnal Info Sains : Informatika dan Sains Journal of Innovation Research and Knowledge NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Jurnal Bisnis, Manajemen, dan Akuntansi Jurnal Masyarakat Mengabdi Nusantara Jurnal Manajemen Dan Bisnis Ekonomi Brilliant International Journal of Management and Tourism
Agus Mulyono
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ANALISIS RESIDU PESTISIDA ORGANOKLORIN PADA RIMPANG KUNYIT (Curcuma domestica) SECARA M SPEKTROFOTOMETRI ULTRAVIOLET VISIBEL Wiranti sri Rahayu; Dwi Hartanti; Agus Mulyono
PHARMACY: Jurnal Farmasi Indonesia (Pharmaceutical Journal of Indonesia) PHARMACY: Jurnal Farmasi Indonesia (Pharmaceutical Journal of Indonesia), Vol. 06 No. 01 April 2009
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/pharmacy.v6i01.403

Abstract

Abstrak Metode spektrofotometri UV-Vis dapat digunakan untuk menetapkan kadar organoklorin dalam rimpang kunyit. Metode ini dididasarkan pada pembentukan kompleks antara merkuri ion (II) tiosianat dan besi (III) dan diamati absorbansinya pada panjang gelombang 455,5 nm. Penelitian ini bertujuan untuk mengetahui penetapan kadar organoklorin dalam rimpang kunyit dan validasi metode analisis spektrofotometri UV-Vis. Dari hasil penelitian didapatkan kadar rata-rata organoklorin sebesar 461,3 ppm. Hasil validasi metode analisis yang dilakukan didapatkan harga standar deviasi (SD), koefisien variasi, dan ketelitian alat pada uji presisi alat masing-masing sebesar 2,4835.10-3, 0,778% dan 99,922%. Harga persen perolehan kembali (recovery) rata-rata dan kesalahan sistematik masing-masing sebesar 109,662% dan 9,662%. Sedangkan pada uji linearitas didapatkan persamaan kurva baku y= 0,00345x + 0,127 dengan nilai r adalah 0,9855. Limit deteksi dan kuantitasi diperoleh harga sebesar 21,565 ppm dan 71,884 ppm. Kata kunci: organoklorin, rimpang kunyit, spektrofotometri UV-Vis Abstract Ultraviolet-visible spectrophotometry can be used for determination of organochlorin in turmeric rhizome. This method is based on its complex formation between iron (III) dan thiocyanate ions and the absorption was monitored at 455.5 nm. The aim of this research is to know the validity of UV-Vis spectyrophotometry methods to determinate in turmeric rhizome. The result of analysis was mean organochlorin content in turmeric rhizome is 461.3 ppm. Result of validation analysis standard deviation (SD), coefficient variation (CV) and correctness of appliance at precesion test appliance are 2.4835.10-3, 0.778% and 99.9922% respectively. Method accuration test are recovery and systematically error are 108.984% and 8.984% respectively. For linearity test the equation of standard curve linear regression y=0.00345x + 0.127. Limit detection and limit quantitation are 21.565 ppm and 71.884 ppm respectively. Keywords: organochlorin, turmeric rhizome, spektrophotometry UV-Vis.
Co-Authors Aod Abdul Jawad Danang Sunyoto Dwi Hartanti Dwi Wahyu Pril Ranto Hafiza Hulwa Yumna Harnal Mayor Ivan Setiawan Joao Bosco De Jesus Santos Maring Koeswinarno Koeswinarno Korinus Melaluan Metalmety Moh Noruddin Nur Hafifatul Janiyah Paulinus Raga Retong Umul Hidayati Wiranti Sri Rahayu Yohanes David Semunya Zahron Bayu Rizky