[PDF] Top 20 EFFECT OF ACID CONCENTRATION ON CHARACTERS OF SILICA GEL SYNTHESIZED FROM SODIUM SILICATE | Nuryono | Indonesian Journal of Chemistry 21834 40921 1 PB

... Dari Tabel 2 terlihat bahwa pengaruh konsentrasi asam terhadap kadar air bergantung jenis asam yang digunakan. Untuk asam sitrat dan HCl peningkatan konsentrasi mengakibatkan peningkatan kadar air. Hal ini cukup ... Lihat dokumen lengkap

... Adsorption of Mg(II) and Ca(II) on disulfonato-silica hybrid (DSSH) in the aqueous solution has been ...was synthesized by sol-gel process with sodium silicate solution ... Lihat dokumen lengkap

... encapsulation of Horseradish peroxidase-Glucose oxidase (HRP-GOx) enzymes in silica aquagel from rice hull ash by sol-gel process has been carried ...the effect of several ... Lihat dokumen lengkap

... melanjutkan studi S1 Teknik Kimia di Institut Teknologi Sepuluh Nopember, Surabaya pada tahun 2011. Semasa kuliah, penulis mempunyai hobi berolahraga. Selain itu, penulis juga pernah melaksanakan kerja praktek di PT. ... Lihat dokumen lengkap

... composition of the different materials are given in Table 1. The diameter of urea controlled-release material was measured using a method similar to that reported by Lukman et ...inside of the ... Lihat dokumen lengkap

... Table 1 showed that small difference on physical characters of catalysts given quite difference in ...change of physical properties of Pt/zeolite and Pt-Ce/zeolite was not ... Lihat dokumen lengkap

... Beberapa logam bersifat toksik dan berbahaya bagi kesehatan sekalipun pada konsentrasi rendah. Adsorpsi merupakan salah satu teknik yang digunakan untuk penghilangan logam tersebut. Tuntutan saat ini adalah bagaimana ... Lihat dokumen lengkap

... Kim, Y., Lee, C., Kim, I., Ko, H., Tai, W., Song, Y. dan Suh, S. 2004. Crystal Growth and Optical Properties with Pre-heating Temperature of Sol-gel Derived ZnO Thin Films. Journal of the ... Lihat dokumen lengkap

... Contamination of maize and other food commodities with aflatoxins is a public health concern because of the ability of aflatoxins to cause human and animal ...suppression of the immune system, ... Lihat dokumen lengkap

... one of natural lignocellulosic ...The effect of surface treatment of coconut shell (CS) with acetic acid (acetylation) on mechanical properties, thermal properties and morphology ... Lihat dokumen lengkap

... Penelitian ini bermaksud untuk mengetahui pengaruh pemisahan gliserol pada transesterifikasi minyak sawit. Tujuan dari penelitian ini adalah untuk menekan penggunaan metanol berlebih dan mempersingkat waktu proses. ... Lihat dokumen lengkap

... for 1 day. In Route 2, sodium silicate solution was added to a mixture of GPTMS and L-arginine, and then the sol obtained was added into magnetite ...successfully synthesized through ... Lihat dokumen lengkap

... resources of silica from nature, such as diatomite or diatomaeceous earth as biological deposits of sea algae diatomae, the inside space of the bamboo stems, the rice straw, and quartz ... Lihat dokumen lengkap

... compound of 3,4-methylenedioxybenzal dehyde smells very good, so that it used oftentimes as raw material in making perfume and soap perfumery production ...consequences of skin allergy ...compound of ... Lihat dokumen lengkap

... syntheses of acetals are performed using protic acid catalyst such as hydrochloric acid, sulfuric acid, or p-toluenesulfonic acid (PTSA) ...Synthesis of acetal is generally done ... Lihat dokumen lengkap

... yield of synthesis of chalcone from p-anisaldehyde was higher than from ...the effect of substituent using a parameter in Hammet equation and calculating the charge of ... Lihat dokumen lengkap

... precipitated silica plant is an industry that can provide a good opportunity for the ...needs of precipitated silica, so that Indonesia imports from other ...countries. From 2005 to ... Lihat dokumen lengkap

... dissolving of 30 gram of Univar AR grade borax in 100 mL of Milli-Q water by heating up to 60 °C and filtering through a ...sticking on the glass. These seed crystals were used to investigate ... Lihat dokumen lengkap

... Pengolahan data dari Gambar 1 pada proses adsorpsi tahap II dengan menggunakan Persamaan (10) diperoleh hasil yang disajikan dalam Tabel 2. Dari tabel itu terlihat bahwa cukup beralasan untuk dinyatakan proses ... Lihat dokumen lengkap

... 85 DESIGNING PRECIPITATED SILICA PLANT FROM SULFURIC ACID AND SODIUM SILICATE WITH CAPACITY OF 45,000 TON/YEARS Linda Fatmawati D500112005 Universitas Muhammadiyah of Surakarta S[r] ... Lihat dokumen lengkap