Journals / Bitlis Eren Üniversitesi Fen Bilimleri Dergisi / 2019 / Cilt: 8 - Sayı: 4

Investigation of the Conductivity in the NaBr-Ba(H2PO2)2-H2O Ternary Water-Salt System at 273,15 and 298,15 K

Determination of Biogenic Amine Formation and Microbiological Changes in Carp (Cyprinus carpio L., 1758) During Frozen Storage

Pages
1302–1315
Publication Date
2019-12-24
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

At the eutonic point, the conductivity of both salts were found to be at 273,13 K 7440 mS/cm and 298,15 K 7540 mS/cm.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, Na+, Ba++/ (H2PO2)-,Br-//H2O [A+: K+, Na+etc., B++:Ba++, Mn++ etc., X-: Cl-,Bretc.] are included in the quaternary water-salt system field of NaBr-Ba(H2PO2)2-H2O ternary water-salt system at 273,15 and 298,15 K; Ba (H2PO2)2 and NaBr salts in aqueous solition how they effect their conductivity were investigated experimentally.
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Key Findings & Data:In this study, Na+, Ba++/ (H2PO2)-,Br-//H2O [A+: K+, Na+etc., B++:Ba++, Mn++ etc., X-: Cl-,Bretc.] are included in the quaternary water-salt system field of NaBr-Ba(H2PO2)2-H2O ternary water-salt system at 273,15 and 298,15 K; Ba (H2PO2)2 and NaBr salts in aqueous solition how they effect their conductivity were investigated experimentally.
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Conclusion & Impact:At the eutonic point, the conductivity of both salts were found to be at 273,13 K 7440 mS/cm and 298,15 K 7540 mS/cm.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Biogenic amines · frozen carp fish · microbiological and chemical properties

Abstract

In this study, Na+, Ba++/ (H2PO2)-,Br-//H2O [A+: K+, Na+etc., B++:Ba++, Mn++ etc., X-: Cl-,Bretc.] are included in the quaternary water-salt system field of NaBr-Ba(H2PO2)2-H2O ternary water-salt system at 273,15 and 298,15 K; Ba (H2PO2)2 and NaBr salts in aqueous solition how they effect their conductivity were investigated experimentally. At the eutonic point, the conductivity of both salts were found to be at 273,13 K 7440 mS/cm and 298,15 K 7540 mS/cm.

Özet

It has been identified that total number of aerobic mesophilic microorganisms (TAM), total number of aerobic psycrophilic microorganisms (TAP), number of Pseudomonas spp. (PS), number of yeast and molds (Y/M), number of microrganisms in coliform group (CG), number of fecal streptococci (FS), number of microorganisms in Enterobactericeae group (EB) and number of microorganisms Lactobacillus-Leuconostoc-Pediococcus group (LB) and values of pH, quantities of total volatile basic nitrogen (TVB-N) have been determined, data of sensory analysis has been evaluated by hedonic scale of whole and gutted speciemens of carp (Cyprinus carpio L., 1758) which were whole and gutted frozen kept -18 ºC at 1st, 15th, 30th, 60th, 90th, 120th days and biogenic amines tryptamine (TRM), phenylethylamine (PEA), putrescine (PUT), cadaverine (CAD), histamine (HIM), tyramine (TYM), spermidine (SPD) and spermine (SPM) were assayed by High Performance Liquid Chromatography (HPLC) method. According to the results of the research: In Frozen Whole Fish (FWF) and Frozen Gutted Fish (FGF) samples, psychophilic microorganisms constitute the dominant microorganism group, the mean PH values of FWF and FGF samples were 6.53±0.12 and 6.63±0.11, and TVB-N values were 13.38±1.39 and 12.87±0.81 respectively, the samples were found to be in “good” quality class in terms of sensory evaluations. It was determined that all biogenic amines remained below the recommended limit values during the whole storage period, according to the changes in chemical and sensory properties, that these fish preserved their consumable properties.

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Cite This Article

ÇAKMAK, T., SANCAK, Y. C. (2019). Investigation of the Conductivity in the NaBr-Ba(H2PO2)2-H2O Ternary Water-Salt System at 273,15 and 298,15 K. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, Cilt: 8 - Sayı: 4, 1302–1315. https://ajindex.com/articles/477699

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