Penentuan Kadar Sulfat pada Air Sumur di Wilayah Surabaya Menggunakan Spektrofotometer

Authors

  • Elly Agustiani Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Warlinda Eka Triastuti Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Ade Citra Oktaviana Elok Sampurno Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Hanifah Fauziyah Zahrah Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Sunia Rahma Cahyaning Tyas Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Yustia Dwi Fitria Santoso Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Affy Milatur Rahmawati Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Amelia Martasari Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Ellen Septia Wintara Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183
  • Hafid Amali Program Studi Teknologi Rekayasa Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Jl. Raya ITS Sukolilo Surabaya 60111, Telp. (031) 5937968 Fax (031) 5965183

Keywords:

water, sulfat, spectrophotometry, regulation

Abstract

The quality of drinking water can be assessed based on three aspects: physical, chemical, and microbiological aspects. One of the chemical aspects in determining water quality is the sulfate content. UV-Vis spectrophotometry method has been widely used to analyze sulfate content. UV-Vis spectrophotometry is a spectroscopic analysis technique that uses an electromagnetic wave source with ultraviolet (UV) for wavelength (190-380 nm) and visible light with wavelength (380-780 nm). The purpose of this study is to determine the absorbance and concentration of samples using spectrophotometric analysis, calculate the sulfate content in the samples, and compare it with the Indonesian Ministry of Health Regulation Permenkes RI No. 32//2017. The research stages include calibration, calibration curve creation, making standard H2SO4 solutions, measuring the absorbance of the standard solutions, and analyzing the sulfate content in water samples. The research results showed that the sulfate concentration in the Bangkalan, Nginden, Sidoarjo, Keputih, and Kapas Madya well water samples were 14.0817, 27.551, 29.1837, 49.0817, 54.6939 ppm, respectively. Based on the Indonesian Ministry of Health Regulation Permenkes RI No. 32//2017, the maximum sulfate content in water is 400 mg/L, thus it can be concluded that the water samples in those areas have met the clean water standards.

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Published

2023-07-24

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