NDLI: Penetapan Kadar Kalium (K) Dan Zink (Zn) Pada Buah Kurma (Phoenix dactylifera L.) Secara Spektrofotometri Serapan Atom

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Penetapan Kadar Kalium (K) Dan Zink (Zn) Pada Buah Kurma (Phoenix dactylifera L.) Secara Spektrofotometri Serapan Atom

Content Provider	Semantic Scholar
Author	Sri Rahmadani
Copyright Year	2011
Abstract	Dates is widely consumed by the Muslims, it was used as medicine and food. It has many benefits and also easily and quickly digested. It contains many elements and complete composition are very important to human body. Its contains carbohydrate, protein, fat, vitamins and minerals such as potassium, sodium, zinc, calcium, iron, manganese and copper. The purpose of this study to determined levels of potassium and zinc metal on a dates Ajwah, Medinah dates and dates of Egypt. Qualitative analysis was carried out with picric acid 1% w / v and dithizon solution 0.005% w / v reagent at pH 5,0. The test gives positive results for potassium and zinc in all three samples. Quantitative analysis was carried out by atomic absorption spectrophotometry at a wavelength of 769.9 nm for potassium and 213.9 nm for zink. The results showed that the levels of potassium in Ajwah was 594.4489 ± 6.3206 mg/100g, Madinah was 566,9722 ± 13,9002 mg/100g, Egypt was 651.5004 ± 8, 9773 mg/100g. While the levels of zinc in the Ajwah was 0.5543 ± 0.0110 mg/100g, Madinah was 0.4398 ± 0.0075 mg/100g, Egypt was 0.6181 ± 0, 0044 mg/100g. In statistics, the average difference test potassium and zinc content between Ajwah dates, Madinah dates and Egypt dates used the t distribution, concluded that the content of potassium and zinc in Egypt dates were significantly higher than Ajwah dates and Madinah dates.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://repository.usu.ac.id/bitstream/handle/123456789/29640/Cover.pdf;jsessionid=E4B135432A04234F7DD49F001537915A?sequence=8
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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