TEKNIK KOREKSI LATAR BELAKANG PENETAPAN KADAR VITAMIN C DALAM MINUMAN RINGAN SECARA SPEKTROFOTOMETRI ULTRAVIOLET
| Main Author: | Mahyuddin, Mahyuddin |
|---|---|
| Format: | Article PeerReviewed Book Lainnya |
| Bahasa: | eng |
| Terbitan: |
Fakultas Matematika dan Ilmu Pengetahuan Alam
, 2010
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| Subjects: | |
| Online Access: |
http://repo.unand.ac.id/2598/1/Jurnal_04.pdf http://repo.unand.ac.id/2598/2/Jurnal_04.ps http://repo.unand.ac.id/2598/ |
Daftar Isi:
- A background correction technigue to determine r'itamin C con- centration in beverages. Was developed determination of ritamin C conccntrationwas based on the difference betwen UV absorption of pure vitamin C solution and oxidized vitamin C solution at 265 nm. Thc vitamin C was oxidized by means of Cu(ll) ion as catalist. Results this technique shorved good recoverv with standart error about 5 % .