Author Details

Hidayat, Rahmat, Departement of physics, Universitas Negeri Padang, Jl. Prof. Dr. Hamka Air Tawar Padang 25131, Indonesia

  • Vol 17, No 1 (2024) - Articles
    Effect of Addition of Seaweed (Sargassum sp) Charcoal with Pure Graphite on the Electrical Properties of Graphene Oxide Synthesized by the Modified Hummer’s Method
    Abstract  PDF
  • Vol 17, No 1 (2024) - Articles
    Effect of Addition of Seaweed (Sargassum Sp) Charcoal with Pure Graphite on The Optical Properties of Graphene Oxide Synthesized by the Modified Hummer’S Method
    Abstract  PDF
  • Vol 17, No 1 (2024) - Articles
    Analysis Titanium Dioxide and Zinc Oxide in Physical Sunscreen Commercial with Protection Value 35 SPF
    Abstract  PDF