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Academic Journal

Validation of undergraduate science process skills tests: Rasch model analysis

Subjects: higher education; instrument validation; Rasch

  • Source: Research and Development in Education (RaDEn); Vol. 3 No. 1 (2023): July; 51-57 ; 2809-3216 ; 2809-0284

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Academic Journal

A method validation and analysis of lead content in lipstick products sold in e-commerce using atomic absorption spectrophotometer (AAS)

Subjects: Lipstick; E-Commerce; ValidationThis study is about analysis of lead metal content in lipstick obtained from online shopping applications

  • Source: Farmasains : Jurnal Farmasi dan Ilmu Kesehatan; Vol. 6 No. 2 (2021); 1-7 ; 2620-987X ; 2086-3373 ; 10.22219/farmasains.v6i2

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Academic Journal

Validation method for determining sodium benzoate in fruit juice drinks in Malang

Subjects: Validation; Sodium benzoate; HPLC

  • Source: Farmasains : Jurnal Farmasi dan Ilmu Kesehatan; Vol. 4 No. 1 (2019); 19-23 ; 2620-987X ; 2086-3373 ; 10.22219/farmasains.v4i1

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