Crystalline sodium tantalate doped with La3+ ions (La/NaTaO3) has been successfully synthesized by sol-gel technique. The photocatalysts have been prepared by mixing of TaCl5, NaOH, and La(NO3)3.2H2O in the aqueous solution of H2O2. The resulting…
Cu/Silica gel catalyst preparation by using silica content which is obtained from Sabang natural crystobalit has been done. Isolated silica from crystobalit is reacted with natrium hidroxide to produce silicate natrium that reacted further with…
Preparation of edible film from carrageenan has been studied in this research. The edible films were made by phase inversion method with various carrageenan concentrations of 1 %, 1.25 %, 1.5 %, and 1.75 % (b/v) and palm oil as plasticizer with…
Serology remains the only way to monitor the effectiveness of vaccination of humans and animals against rabies. Many techniques for determining the level of rabies antibodies have been described, and all of the methods used rabies viruses as antigen.…
Cellulose acetate ultrafiltration membrane is one of kinds process of membrane which has been utilized in separation and purification processes. Cellulose acetate can be obtained from acetylation of cellulose sengon wood (Paraserianthes falcataria).…
Abstract - The toxicity of arsenic is known to be a risk to aquatic flora and fauna and to human health even in relatively low concentration. In this research an adsorption gel was prepared from agricultural waste material (orange waste) through…
Teaching chemistry must include some learning skills in scientific works. The students must have experience conducting small research in chemistry to train them the scientific methods. Some chemistry projects have been carried out by the students of…
Penelitian ini bertujuan mengetahui jenis bahan pengencer yang paling baik untuk mempertahankan kualitas sperma sapi Limousin selama penyimpanan dan pembekuan. Dalam penelitian ini digunakan Rancangan Acak Kelompok ®(RAK) dengan 3 penggunaan bahan…