Browsing Faculty of Vocational by Keyword "AAS"
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Analisis Logam Besi dan Nikel pada Air Limbah PKS di Daerah Rantau Parapat dan Labuhan Batu Menggunakan Spektrofotometri Serapan Atom
(Universitas Sumatera Utara, 2023)Determination of iron (Fe) and Nickel (Ni) metal content in PKS wastewater from the Rantau Parapat area and Labuhan Batu area using Atomic Absorption Spectrophotometry in the laboratory of PT Citra Lestari Enviro, jl. Setia ... -
Analisis Timbal (Pb) pada Lipstik yang Dijual Secara Online menggunakan metode spektrofotometri Serapan Atom (SSA)
(Universitas Sumatera Utara, 2023)Background: Cosmetics are preparations intended for use on the outside of the human body. The most widely used cosmetics product is lipstick. Some lipsticks have been found to contain toxic ingredients such as lead metal ... -
Analisis Unsur Besi (Fe), Seng (Zn), Chemical Oxygen Demand (COD) dan Biological Oxygen Demand (BOD) pada Air Limbah Pabrik Kelapa Sawit (PKS) Labuhan Batu
(Universitas Sumatera Utara, 2023)Research on levels of iron and zinc has been carried out at PT. Citra Lestari Enviro using the Atomic Absorption Spectrophotometer (AAS) method. The samples tested for wastewater from the Labuhan Batu palm oil mill, from ... -
Penentuan Kadar Ca, Mg dan Kadar Air Dari Pupuk Dolomite di Pusat Penelitian Kelapa Sawit ( PPKS) Medan
(Universitas Sumatera Utara, 2022)Dolomite fertilizer is a single lime level which is good for plantation soil and for fisheries or ponds. Dolomite is made from dolomite rock collected from the mining process. The much-needed content of this lime is Calcium ...