Zobrazeno 1 - 10
of 40
pro vyhledávání: '"WINDA TRISNA WULANDARI"'
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 27, Iss 6, Pp 258-264 (2024)
The Bis-(1-(2,4-dichlorobenzoyl)-3-methylthiourea) iron (III) complex has been synthesized from the reaction between 1-(2,4-dichlorobenzoyl)-3-methylthiourea and Fe (III) metal ion by reflux method with ethanol solvent at a temperature of 75°C for 7
Externí odkaz:
https://doaj.org/article/b38d621827ba40d18899dc23d9322b6d
Publikováno v:
Indonesian Journal of Chemical Research, Vol 12, Iss 1 (2024)
Cooking oil that is often used by the community one of them is palm oil, oil that is often heated will produce acrolein which is one of the acrylamide-forming compounds. Eichhornia crassipes cellulose contains an-OH group that can bind acrylamide. Th
Externí odkaz:
https://doaj.org/article/9b75fc0568a44b198d6ba397414e9b58
Publikováno v:
Pharmaciana, Vol 11, Iss 1, Pp 1-14 (2021)
Thiourea derivatives were much used in drug discovery and drug-making, such as for an anticancer. The formation of drug complexes can increase lipophilicity through chelation formation, and the drug action is significantly upward due to the effective
Externí odkaz:
https://doaj.org/article/0c7090e9f0564f85af190113719a389b
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 6, Iss 3, Pp 171-176 (2020)
Chitin which is the result of processing from green conch shell waste can be transformed into chitosan through a deacetylation process using variations in the concentration of NaOH. This study aims to determine the optimum conditions of variations in
Externí odkaz:
https://doaj.org/article/501c69bed80d4767a96f3aff794712fd
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 23, Iss 5, Pp 160-166 (2020)
Problems arising from laboratory waste include the content of lead metal ions in it, which can affect health. While on the other hand, Jengkol peel is a market waste and has no economic value. Jengkol peel contains hydroxyl groups and carboxylates to
Externí odkaz:
https://doaj.org/article/1284be1fd77147e8ad6af7f0dc5dec20
Autor:
Winda Trisna Wulandari, Rosmaya Dewi
Publikováno v:
Molekul, Vol 14, Iss 1, Pp 25-30 (2019)
Frying oil can produce substances that are harmful for health. One way that can be used to eliminate these dangerous compounds is by using adsorbent. Recently, many adsorbents from natural fibers have been developed. One of them is cellulose which co
Externí odkaz:
https://doaj.org/article/b397394303bb42a08bedbc4502bdb5cd
Autor:
Winda Trisna Wulandari, Rosmaya Dewi
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 4, Iss 3, Pp 332-339 (2019)
Penggorengan minyak dapat menyebabkan asam lemak yang terdapat di dalamnya mengalami oksidasi menghasilkan senyawa yang berbahaya bagi kesehatan, diantaranya adalah senyawa peroksida, aldehid dan akrilamid. Salah satu cara yang dapat digunakan untuk
Externí odkaz:
https://doaj.org/article/362970fe1f3b4e5abb004b682e98526e
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 4, Iss 2, Pp 215-220 (2018)
Logam berat menjadi salah satu zat pencemar perairan yang sangat berbahaya bagi kelangsungan hidup makhluk hidup. Salah satu logam berat yang dapat menimbulkan pencemaran air yaitu ion timbal . Limbah sabut kelapa hijau dapat digunakan untuk mengadso
Externí odkaz:
https://doaj.org/article/60cd297d719d40e59d54e88d269ad5f2
Publikováno v:
Jurnal Kimia Valensi, Vol 4, Iss 2, Pp 143-148 (2018)
The use of waste of kepok banana’s peel to adsorb lead(II) metal ion was done. Peel of kepok banana was activated by using nitric acid before used as adsorbent. The optimum time needed by kepok banana’s peel to adsorp lrad(II) metal was 45 minute
Externí odkaz:
https://doaj.org/article/1a5e090a801b4b00ae3bfa77a2ce78fa
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 3, Iss 3, Pp 252-257 (2017)
Penggunaan limbah kulit jengkol untuk mengadsorpsi ion timbal(II) telah berhasil dilakukan. Kulit jengkol yang digunakan merupakan limbah dari salah satu pasar tradisional di Kota Tasikmalaya. Kulit jengkol diaktivasi terlebih dahulu menggunakan asam
Externí odkaz:
https://doaj.org/article/41e7a1c7a7b847fb9396db9c9cc45588