2018
DOI: 10.22146/agritech.25459
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Validasi Metode Analisis Kadar Kalsium pada Susu Segar secara Titrasi Kompleksometri

Abstract: Analysis of calcium content in fresh milk generally uses Atomic Absorption Spectroscopy (AAS). Alternatively, it could be analyzed using complexometric titration. The study aimed to validate the method of calcium content analysis in fresh milk by complexometric titration. The results showed that the linearity test using calcium standard solution at a working range of 4-24 mg/100 mL had R2 of 0.9983, while the limit of detection and limit of quantification were 0.47 mg/100 mL and 1.57 mg/100 mL, respectively. T… Show more

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Cited by 6 publications
(8 citation statements)
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“…As for iodometry, R 2 value got from the relation of titrate volume (y) to standard concentration (x). A good linearity value is R 2 > 0.99 [21], and iodometry give R 2 value 0.9791 (Figure 6b). Meanwhile, based on the linearity test using UV-Vis spectrophotometry, the value of R 2 is 0.9948 (Figure 6a).…”
Section: Linearitymentioning
confidence: 89%
“…As for iodometry, R 2 value got from the relation of titrate volume (y) to standard concentration (x). A good linearity value is R 2 > 0.99 [21], and iodometry give R 2 value 0.9791 (Figure 6b). Meanwhile, based on the linearity test using UV-Vis spectrophotometry, the value of R 2 is 0.9948 (Figure 6a).…”
Section: Linearitymentioning
confidence: 89%
“…Tests are carried out to obtain quality information from the sex detection method. Accuracy tests are carried out to obtain data that can be trusted or close to the truth of the performance of a thing or tool [19]. The accuracy of the gold ring pendulum method is fairly high.…”
Section: Discussionmentioning
confidence: 99%
“…Presisi dianalisis menggunakan coefficient of variation, CV (%). Penggunaan EPRK sebagai indikator memiliki presisi yang baik apabila % CV yang diperoleh memenuhi prasyaratan Association of Analytical Communities, AOAC (2012) yaitu maksimal 2% (Taufik et al, 2018)…”
Section: Analisis Data Presisi (Keberulangan/repeatability)unclassified
“…Berdasarkan Tabel 1-4 dan Gambar 5, diketahui pula bahwa pada titrasi sampel spike menggunakan indikator EPRK, PP dan MM diperoleh %CV untuk semua titrasi berada dibawah 0,35%. Data-data ini menunjukan bahwa penggunaan EPRK sebagai indikator titrasi AKBK, AKBL, ALBK dan ALBL memiliki presisi yang baik karena memenuhi syarat presisi yang ditetapkan oleh AOAC (2012) yaitu maksimal 2% (Taufik et al, 2018). Data-data ini menunjukan pula bahwa presisi penggunaan EPRK tidak berbeda dengan presisi penggunaan indikator PP dan MM sebagai indikator titrasi AKBK, AKBL, ALBK dan ALBL.…”
Section: Presisi (Keberulangan) Penggunaan Eprk Sebagai Indikator Tit...unclassified