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All Journal Jurnal Delima Harapan
Rahmi Garmini
Institut Ilmu Kesehatan dan Teknologi Muhammadiyah Palembang
Medicine & Pharmacology

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IDENTIFIKASI UJI FORMALIN PADA MIE BASAH MENGUNAKAN EKSTRAK UBI JALAR UNGU (Ipomoea batatas L.) DI PASAR TRADISIONAL DESA NIRU MUARA ENIM Rahmi Garmini
Jurnal Delima Harapan Vol 8 No 2 (2021)
Publisher : AKADEMI KEBIDANAN HARAPAN MULYA PONOROGO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31935/delima.v8i2.125

Abstract

The use of chemical additives, especially formaldehyde in food, needs to be watched out for together, both by producers and consumers. The use of formaldehyde in food is not allowed because it can cause poisoning in the human body. The purpose of this study was to describe the use of anthocyanin extract of purple sweet potato (Ipomoea batatas L.) as a natural indicator for formalin detection. The method used is experimental design. The results of this study can be seen that purple sweet potato contains anthocyanins which can be an indicator material for formalin which is acidic, this can be seen from the change in the color of the anthocyanin extract which changes when reacted with formalin, and seen from the purple sweet potato extract it turns reddish blue.
PENURUNAN KADAR FOSFAT LIMBAH CAIR USAHA LAUNDRY DENGAN KARBON AKTIF SEKAM PADI Rahmi Garmini; Zairinayati Zairinayati
Jurnal Delima Harapan Vol 9 No 1 (2022)
Publisher : AKADEMI KEBIDANAN HARAPAN MULYA PONOROGO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31935/delima.v9i1.152

Abstract

Laundry business is a business that can produce liquid waste originating from detergents containing several chemicals or chemicals such as phosphate (70-80%), surfactant (20-30%), ammonia, nitrogen, dissolved solids, turbidity, BOD (Biochemical Oxygen Demand), and COD (Chemical Oxygen Demand). Laundry wastewater containing phosphate compounds will cause Eutrophication. The purpose of this study was to determine the effectiveness of the use of rice husk activated carbon in reducing phosphate levels in laundry business wastewater. This research is an experimental study (Experimental Research) with 3 repetitions and treated with doses of 3 grams, 4 grams, 5 grams of activated carbon of rice husk, each of which was added to 330 ml of laundry wastewater. From the results of the Anova test data analysis, it was found that the P value was 0.110> 0.05, meaning that there was no effect of giving rice husk activated carbon in reducing phosphate levels in the laundry business.
Co-Authors Zairinayati, Zairinayati