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Identifikasi Struktur Kristal Serbuk Titanium Dioksida Berbahan Dasar Serbuk TI Yang Disintesis Menggunakan Metode Terlarut Asam Vicran Zharvan; Nurhayati Nurhayati; Husain Husain; Hasnidar Hasnidar; Nurfajriani Muin
Seminar Nasional LP2M UNM SEMINAR NASIONAL 2022 : PROSIDING EDISI 1
Publisher : Seminar Nasional LP2M UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.183 KB)

Abstract

Abstrak. Sintesis material serbuk TiO2 telah berhasil disintesis dengan menggunakan metode logam terlarut asam. Serbuk TiO2 disinttesis menggunakan logam Ti dan larutan HCl pada temperatur kerja 700oC. Hasil analisis menunjukkan bahwa serbuk TiO2 merupakan material polimorf dengan fasa rutile dan anatase. Identifikasi mengenai struktur kristal dilakukan dengan menggunakan metode penghalusan rietveld dan diperoleh nilai parameter kisi untuk fasa rutile adalah a = (4.596252±0.000308)Ǻ, b = (4.596252±0.000308) Ǻ dan c = (2.961413±0.000222) Ǻ dan untuk fasa anatase adalah a = (3.815013±0.003667) Ǻ, b = (3.815013±0.003667)Ǻ dan c = (9.444517±0.015758) Ǻ dengan nilai GoF sebesar 2.01.  Kata Kunci: TiO2, Anatase, Rutile, Rietveld, Struktur Kristal.
The Effect of Job Satisfaction, Employee Loyalty, and Work Commitment on Employee Performance at PT Sulsel Citra Indonesia (Perseroda) Jusri Jusri; Hasnidar Hasnidar
Economics and Business Journal (ECBIS) Vol. 4 No. 5 (2026)
Publisher : PT. Maju Malaqbi Makkarana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/ecbis.v4i5.437

Abstract

This study aims to analyze the simultaneous and partial effects of job satisfaction, employee loyalty, and work commitment on employee performance at PT Sulsel Citra Indonesia (Perseroda). This research adopts an associative quantitative approach. Data were collected through structured questionnaires distributed to 54 respondents drawn from a population of 114 permanent employees using simple random sampling. Multiple linear regression analysis was conducted using SPSS version 26. The finding that The F-test result (Fcount = 60.515 > Ftable = 2.196; sig. = 0.000) confirms that all three variables simultaneously exert a positive and significant effect on employee performance. Partially, job satisfaction (t = 3.485; sig. = 0.001) and work commitment (t = 11.685; sig. = 0.000) each have a positive and significant effect on employee performance, while employee loyalty (t = -3.080; sig. = 0.003) shows a negative and significant effect. The adjusted R² of 0.771 indicates that 77.1% of the variance in employee performance is explained by the three predictors. Work commitment emerged as the dominant predictor of employee performance, followed by job satisfaction. The negative effect of employee loyalty suggests that loyalty alone does not directly translate into higher performance unless it is accompanied by adequate motivation, job satisfaction, and organizational support. These findings are consistent with previous empirical studies conducted in the plantation and service sectors