Martianis, Martianis (1999) Sintesis pupuk Anorganik dari Mineral Fosfat dan Dolomit. Undergraduate thesis, FMIPA UNDIP.
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Abstract
Pupuk merupakan salah satu kebutuhan pokok para petani, semakin meningkatnya harga pupuk akan meningkatkan kesulitan bagi petani karenanya perlu dicarikan alternatifuntuk memperoleh pupuk dengan mudah dan murah. Telah dilakukan sintesis pupuk majemuk dari bahan baku batuan fosfat dan dolomit. Sintesis dilakukan dengan mereaksikan batuan fosfat dengan asam sulfat, campuran yang diperaleh dinetralkan dengan dolomit, selanjutnya camp. uran disaring dan endapan yang diperoleh dipanaskan hingga kering (± 120°C). Uji yang dilakukan terhadap hagil meliputi uji kelarutan claim asam sitrat 2 %, komposisi mineral dengan XR-D dan komposisi kimia dengan metode AAS, spektrofototmetri UV-Vis dan gravimetri. Pupuk yang dihasilkan mempunyai kelarutan fosfat dalain asam sitrat 5,391 %, komposisi mineralnya terdiri dari Ca3(PO4)2, Mg3(PO4)2 dan CaSO4, komposisi kimianya adalah CaO 28, 835 %; S = 19, 234 %; P205 = 7, 156 % dan MgO = 3,391 %. Fertilizer is one of the main needs for farmer. The increasing of fertilizers price will be serious problem to them, so they need and alternative for finding it cheaply and easily. Synthesis of fertilizer from phosphat rock and dolomite has been done. Synthesis was carrierd out by reacting phosphat and sulfuric acid, the mixing was neutralized by using dolomit, the product was dried at 120°C, The product was characterized by determining its solubility in citric acid 2 %, mineral composition using XR-D and chemical analysis using AAS, spectrophotometry UV-Vis and gravimetry methode. It was conclude that the product was soluble in citric acid 2 %, minerals composition include Ca3(PO4)2, Mg 004)2 and CaSO4 and its chemicals composition are Ca0 = 28.835 %, S = 19.234 %, P205 = 7.156 % and Mg0 = 3.391%.
Item Type: | Thesis (Undergraduate) |
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Subjects: | Q Science > QD Chemistry |
Divisions: | Faculty of Science and Mathematics > Department of Chemistry |
ID Code: | 30757 |
Deposited By: | Mr UPT Perpus 1 |
Deposited On: | 07 Nov 2011 08:19 |
Last Modified: | 07 Nov 2011 08:19 |
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