S. Solihah, A. Kadarohman, S. Liliasari
Textile waste contributes for one-third of the world's waste. Natural dyes can be a solution to reduce it. Secang (Caesapina Sappan linn) is one of the natural dyes used to dye textiles and gives red effect. The experiment of dyestuff from secang is expected to make students of textile chemistry major having the ability to understanding of knowledge about colour, dyestuff structure, and the process of making it in order to solve problem. The research subjects were 32 students textile programme of chemistry major in one of the polytechnics in Bandung. Instruments used in the form of observation, questionnaires, interviews, deal to daily activities score and Midterm test. From the results of statistical calculations obtained conclusion there is a relationship of experiment activities conducted with the understanding of the concept of students and there is a difference conceptual understanding students before and after the application of experiment design. © 2018 Published under licence by IOP Publishing Ltd.
Mahasiswa Program Studi Pendidikan IPA, Sekolah Pascasarjana Universitas Pendidikan Indonesia, Jl. Dr. Setiabudih No. 229, Bandung, 40154, Indonesia; Departmen Pendidikan Kimia, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung, 40154, Indonesia
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