Vol. 1 No. 01 (2022): SPECTRUM

Articles

• REVIEW ANALYSIS OF ORGANOCHLORINE PESTICIDE RESIDUES IN PLANTS WITH GAS CHROMATOGRAPHY METHODS

  Silvi Handri, Firmansyah Khairul Kamal, Desy Kurniawati, Indang Dewata

  1-10

  Abstract viewed: 290 pdf downloaded: 210

  DOI : 10.54482/spectrum.v1i01.107

  • pdf
• UTILIZATION OF EMPTY LAND FOR FARMING USING THE HYDROPONIC PLANT METHOD

  Abdu Idham, Firmansyah Khairul Kamal, Atikah Sri Utami, Atiqah Muthiah, Hafidhilmi Siddiq, Rivandy Ahlal Fikri

  11-18

  Abstract viewed: 309 pdf downloaded: 146

  DOI : 10.54482/spectrum.v1i01.98

  • pdf
• VALVE GRINDING AUTOMATIC SYSTEM BASED MICROCONTROLLER

  Yuvani Oksarianti, Dedi Mulyono, Riko Saputra, Doni Saputra, Ahmad Arif, Firmansyah Khairul Kamal

  19-30

  Abstract viewed: 360 pdf downloaded: 231

  DOI : 10.54482/spectrum.v1i01.100

  • pdf
• PHOTOCATALYST COATING OF MNO-FE2O3PS FROM NATURAL MATERIALS

  Suchi Ramadhani Putri, Ratna Wulan, Elsa Ollia, Dafri Zaldi, Firmansyah Khairul Kamal

  30-36

  Abstract viewed: 217 pdf downloaded: 163

  DOI : 10.54482/spectrum.v1i01.110

  • pdf
• (BORING SEN) CHERRY LEAF DRIED SPONGE IS BENEFICIAL IN MAINTAINING CHOLESTEROL LEVELS AND HIGH BLOOD PRESSURE

  Muhammad Fauzan A, Megi Hedian Nura, Helza Mayonva, M.Divo Yursal, Lise Asnur, Firmansyah Khairul Kamal

  37-48

  Abstract viewed: 312 pdf downloaded: 139

  DOI : 10.54482/spectrum.v1i01.99

  • pdf