Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Regina Tutik Padmaningrum"'
Autor:
Suyanta Suyanta, Sunarto Sunarto, Regina Tutik Padmaningrum, Karlinda Karlinda, Illyas Md Isa, Rahadian Zainul, Qonitah Fardiyah, Fredy Kurniawan
Publikováno v:
Indonesian Journal of Chemistry, Vol 24, Iss 3, Pp 652-660 (2024)
This work developed a selectively modified electrode for measuring the Fe(II) ions in continuous integration using voltammetry techniques. The study assessed various aspects, such as linearity, scan rate, repeatability, and real sample analysis. The
Externí odkaz:
https://doaj.org/article/9fa29cd11b4a4b61b5440ca35e104fa8
Autor:
Suyanta Suyanta, Sunarto Sunarto, Regina Tutik Padmaningrum, Karlinda Karlinda, Illyas Md. Isa, Rahadian Rahadian
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 2, Pp 332-339 (2021)
This study was aimed to develop a method for metal analysis in continuous integration using voltammetry techniques. The research subject was copper(II) ions. The objects of research were linearity, scan rate, repeatability of readings, and the presen
Externí odkaz:
https://doaj.org/article/e0b05be7f57b4b73a4a97f4a474617b2
Publikováno v:
Jurnal Sains Dasar, Vol 5, Iss 1, Pp 66-74 (2017)
Abstract The aims of this research to determine of the optimum of formaldehyde concentration, teh optimum of electrodeposition time and the optimum pH of solution. In addition, this research also aims to determine the character Cu deposite at optimu
Externí odkaz:
https://doaj.org/article/e39eb484f5744700adb4c86486d68853
Publikováno v:
Jurnal Sains Dasar, Vol 4, Iss 2, Pp 190-197 (2016)
This research aims to determine the percent recovery of gold (Au) and silver (Ag) in the electronic waste such as CD-RW and determine the purity of gold and silver metals in the electronic waste such as CD-RW that through multilevel precipitation pro
Externí odkaz:
https://doaj.org/article/bdf7bc4726d94c7dbfc5ffdb7239d3c6
Publikováno v:
Jurnal Sains Dasar, Vol 4, Iss 1 (2016)
This research aims to validate methods of analysis by spectrophotometry and turbidimetry cyclamate in the sample drink mango-flavored jelly drink by spectrophotometry with hypochlorite reagent, ultraviolet spectrophotometry (without reagent) and turb
Externí odkaz:
https://doaj.org/article/6940d98aec324dc2a001061290942a7b
Autor:
Sunarto Sunarto, Suyanta Suyanta, Regina Tutik Padmaningrum, Isana Supiah YL, Karlinda Karlinda
Publikováno v:
Jurnal Sains Dasar. 11:30-34
Penelitian ini bertujuan untuk memisahkan ion logam besi dan mangan pada air sumur (dalam) menggunakan metode adsorpsi kolom. Berdasarkan penelitian, diketahui efektivitas metode adsorpsi kolom untuk penurunan kadar logam besi dan mangan pada air sum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34f27a9385cdac7c76e66f9a9bd5b9bf
https://doi.org/10.21831/jsd.v11i1.44189
https://doi.org/10.21831/jsd.v11i1.44189
Autor:
Regina Tutik Padmaningrum, Isana Supiah Yosephine Louise, Isti Yunita, Kristian Handoyo Sugiyarto
Publikováno v:
Malaysian Journal of Science. 41:106-116
The main purposes for this work are to formulate and characterize the infrared (IR) and magnetic moment of the compounds resulted from the slow titration of copper(II) nitrate with sodium hydroxide and in the reverse procedures in an aqueous solution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b819b0fa7474c7bfcbca318a3726c0ec
https://doi.org/10.22452/mjs.vol41no1.7
https://doi.org/10.22452/mjs.vol41no1.7
Autor:
Illyas Md Isa, Sunarto Sunarto, Suyanta Suyanta, Karlinda Karlinda, Regina Tutik Padmaningrum, Rahadian Rahadian
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 2, Pp 332-339 (2021)
Indonesian Journal of Chemistry; Vol 21, No 2 (2021); 332-339
Indonesian Journal of Chemistry; Vol 21, No 2 (2021); 332-339
This study was aimed to develop a method for metal analysis in continuous integration using voltammetry techniques. The research subject was copper(II) ions. The objects of research were linearity, scan rate, repeatability of readings, and the presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c11b70c43ecbb9a1c582f02890368bc7
https://doi.org/10.22146/ijc.55056
https://doi.org/10.22146/ijc.55056
Publikováno v:
Jurnal Sains Dasar, Vol 4, Iss 1 (2016)
This research aims to validate methods of analysis by spectrophotometry and turbidimetry cyclamate in the sample drink mango-flavored jelly drink by spectrophotometry with hypochlorite reagent, ultraviolet spectrophotometry (without reagent) and turb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d60077d644cd46e6a0e39bec240e6355
https://doi.org/10.21831/jsd.v4i1.8435
https://doi.org/10.21831/jsd.v4i1.8435