1887
لظهور النص العربي بالشكل الصحيح، انقر على
ARأعلى الشاشة وتحويلها الى  EN 
Volume 2020, Issue 2
  • EISSN: 2708-0463

Abstract

يعد هذا البحث أول دراسة يمنية لتقدير تراكيز بعض المعادن الثقيلة في ألعاب الأطفال البلاستيكية المتوافرة في بعض أسواق محافظة عدن باليمن، ومعرفة التأثيرات السامة لهذه المعادن في حياة وصحة الأطفال. ولتحقيق ذلك، تم عشوائيًا اختيار عشر عينات مختلفة من الألعاب البلاستيكية، تم شراؤها وتجميعها من محلات وأكشاك بيع ألعاب الأطفال في محافظة عدن وتصنيفها على أساس نوع اللعبة، وتعدد الألوان وطريقة لعب الأطفال بها (اللعب بالفم فقط أو باليد فقط أو بكليهما معًا) والتي تعتبر طرقًا خاصة بالأ أطفال في أعمار تتراوح ما بين سنة إلى ست سنوات. جُهزت العينات ثم حُللت في المركز القومي للبحوث في جمهورية مصر العربية. استخدمت طريقة ارتشاح الملوثات السامة من العينات الصلبة (TCLP) لترشيح السموم من أسطح عينات ألعاب الأطفال البلاستيكية ثم أجري التحليل الكمي باستخدام تقنية انبعاث البلازما (ICP-OES) لتقدير تراكيز المعادن الثقيلة: الزرنيخ (As)، الكادميوم (Cd)، الكروميوم (Cr)، النحاس (Cu)، الحديد (Fe)، المنغنيز (Mn)، النيكل (Ni)، الرصاص (Pb)، والخارصين (Zn). أظهرت نتائج هذه الدراسة باستخدام طريقة (TCLP) أن جميع مستويات العناصر المدروسة كانت أقل من الدراسات السابقة وضمن، في حال وجودها، الحدود المسموح بها محليًا ودوليًا.

This research is a first attempt to examine some heavy metals in plastic toys available in some of Aden Governorate markets-Yemen and to evaluate the toxicity effects on kids’ health. To achieve this goal, we examined ten plastic toys as samples randomly. These toys were purchased from toy shops and stalls in Aden Governorate. The toys were assembled and classified by type, colour, and playing method: by mouth only, by hand only, or by both (which are the typical playing methods by children between 1-6 years old). The samples were prepared then analyzed at the National Research Center-Egypt. Toxicity Characteristic Leaching Procedure (TCLP) was used for the samples and then followed by the ICP-OES technique to determine heavy metals concentration namely: arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), Iron (Fe), manganese (Mn), nickel (Ni), lead (Pb), and zinc (Zn). Using TCLP in this study showed that all heavy metals levels were less than previous studies and if available, they are within the local and international acceptable levels.

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2020-11-15
2020-11-25
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