کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1201661 1493535 2015 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Chromatographic performance of synthetic polycrystalline diamond as a stationary phase in normal phase high performance liquid chromatography
ترجمه فارسی عنوان
عملکرد کروماتوگرافی الماس پلی کریستالی مصنوعی به عنوان یک فاز ثابت در کروماتوگرافی مایع با عملکرد بالا فیزیکی
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
چکیده انگلیسی
The chromatographic properties of high pressure high temperature synthesised diamond (HPHT) are investigated in normal phase mode of high performance liquid chromatography. Purified nonporous irregular shape particles of average particles size 1.2 μm and specific surface area 5.1 m2 g−1 were used for packing 100 × 4.6 mm ID or 50 × 4.6 mm ID stainless steel columns. The retention behaviour of several classes of compounds including alkyl benzenes, polyaromatic hydrocarbons (PAH), alkylphenylketones, phenols, aromatic acids and bases were studied using n-hexane-2-propanol mixtures as mobile phase. The results are compared with those observed for microdispersed sintered detonation nanodiamond (MSDN) and porous graphitic carbon (PGC). HPHT diamond revealed distinctive separation selectivity, which is orthogonal to that observed for porous graphitic carbon; while selectivities of HPHT diamond and microdispersed sintered detonation nanodiamonds are similar. Owing to non-porous particle nature, columns packed with high pressure high temperature diamond exhibited excellent mass transfer and produce separations with maximum column efficiency of 128,200 theoretical plates per meter.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Chromatography A - Volume 1391, 24 April 2015, Pages 49-59
نویسندگان
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