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Intan Kusumawati
Universitas Negeri Semarang
Education

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Examining Activator and Carbonization Pineapple Crown Leaf Resistor: Wuluh Star Fruit and Calamansi Variant Intan Kusumawati; Putut Marwoto; Ani Rusilowati; Woro Sumarni; Retno Sri Iswari; Andi Mursidi
International Conference on Science, Education, and Technology Vol. 8 (2022)
Publisher : Universitas Negeri Semarang

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Abstract

Learning in the environmental physics course is directed at sharpening students' sensitivity to overcoming problems and utilizing the potential that exists in the environment. Waste management is the main focus in environmental physics learning, which in this research is pineapple crown leaf waste which has the potential as activated carbon to be processed into resistors. The purpose of this study was to test the activator and carbonization tool for pineapple crown leaves with the highest inhibition value. This activator is in the form of Wuluh star fruit and Calamansi. The carbonization tools are an infrared stove and a blue flame twister furnace. This research method is in the form of an experiment. This activity research is integrated with the STEAM-2C components. The data analysis technique is in the form of comparing the average resistance values ​​of the pineapple leaf resistor variations. It was found that = 0.067 MΩ; = 0.16 MΩ; = 0.12 MΩ; = 0.14 MΩ. It was concluded that the activator and carbonization tool for pineapple crown leaf with the highest inhibition values ​​were the Calamansi activator and Infrared stove carbonization tool. This research is expected to add insight into producing innovations that are tested experimentally as the implementation of environmental physics learning.
Examining Temperature and Water Evaporation on Turmeric: An Innovative Product of Turmeric Stick Intan Kusumawati; Putut Marwoto; Ani Rusilowati; Woro Sumarni; Sudarmin Sudarmin; Andi Mursidi
International Conference on Science, Education, and Technology Vol. 8 (2022)
Publisher : Universitas Negeri Semarang

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Abstract

Turmeric is used by cultural communities to treat nasal congestion in infants with different methods, curcumin in turmeric is scars on the skin, and innovation in turmeric is needed. This study aims to compare the temperature and water evaporation of burnt turmeric (Sample Turmeric A), turmeric mixed with whiting (Sample Turmeric B), and natural turmeric (Sample Turmeric C); determine the appropriate sample treatment to treat nasal congestion in infants; produce innovative products to treat turmeric discoloration on the skin in the use of turmeric. This research is an experiment, a preliminary study in the form of interviews and in-depth observations of the community about the use of turmeric for health that is usually carried out by cultural communities, then analyzed across the fields of STEAM-2C so that comparison results and innovative products are found in the form of Turmeric Stick. It was found that the temperature of the Turmeric A sample was 309.3 K, the B turmeric sample was 305.2 K, and the C turmeric sample was 308.1 K. The comparison of evaporation of turmeric Samples A (95666.49): Sample B (93147.04): Sample C (94925.61) is 1: 1: 1, evaporation of water through the Hertz-Knudsen equation. The conclusion is that variant C is more appropriate for dealing with nasal congestion in infants, and the turmeric innovation product in the form of turmeric sticks is a turmeric packaging solution to overcome the problem of turmeric color that causes scars.
Co-Authors Andi Mursidi Andi Mursidi Ani Rusilowati Putut Marwoto Retno Sri Iswari Sudarmin Sudarmin Woro Sumarni