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鎂合金在碳酸飲料中的降解與人體補(bǔ)鎂初探
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國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃“973”項(xiàng)目 (2012CB619101); 教育部高等學(xué)校博士學(xué)科點(diǎn)科研基金 (20100191120014); 國(guó)家自然科學(xué)基金青年基金 (51101174)


Degradation of Magnesium Alloy in the Carbonated Drinks and Research of Body Magnesium Supplementation
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    摘要:

    提出了通過鎂產(chǎn)品在飲用水中的鎂離子釋放作為人體補(bǔ)鎂手段的新思路，分析了鎂及其合金在碳酸飲料中的降解機(jī)理、溶液鎂離子濃度和pH值變化規(guī)律，探討了鎂合金產(chǎn)品作為人體補(bǔ)鎂來源的可行性。結(jié)果表明，Mg的降解速度最快，AZ31次之，AZ91最低，表面均形成了抑制降解的(Ca,Mg)CO3腐蝕層；鋁元素可有效降低鎂的釋放速度和碳酸飲料的pH值增幅；3種鎂合金在容量為600 mL的碳酸飲料中浸泡2~4 h所釋放的鎂離子基本能滿足每日人體所需補(bǔ)鎂量，此時(shí)pH值變化較小，對(duì)碳酸飲料的品質(zhì)無明顯影響

    Abstract:

    The paper presented a new idea for body magnesium supplementation by magnesium ion release of magnesium products in drinking waters, analysised the degradation mechanism of magnesium and its alloys in the carbonated drinks, the magnesium ion concentration of solution and pH variation, and explored the feasibility of a magnesium alloy products as human sources of magnesium supplementation. The results show that Mg degradation is the fastest, AZ31 is followed, AZ91 is lowest. Surface corrosion layer of (Ca, Mg)CO3 is formed to inhibit the degradation; aluminum elements can effectively reduce the release rate of magnesium and the increament of pH value in carbonated beverages; the Mg ions released from the three magnesium alloy soaked in 600 mL of carbonated drinks for 2 ~ 4 h basically satisfy daily requirements of magnesium supplementation content, the change in small pH has, no significant effect on the quality of the carbonated drinks.

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高家誠(chéng),胡 德,宋長(zhǎng)江,喬麗英.鎂合金在碳酸飲料中的降解與人體補(bǔ)鎂初探[J].稀有金屬材料與工程,2014,43(1):204~208.[Gao Jiacheng, Hu De, Song Changjiang, Qiao Liying. Degradation of Magnesium Alloy in the Carbonated Drinks and Research of Body Magnesium Supplementation[J]. Rare Metal Materials and Engineering,2014,43(1):204~208.]
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  • 收稿日期:2013-01-20
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  • 在線發(fā)布日期: 2014-04-16
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