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K08670356

Kromasil® C18 高效液相色谱柱

5 μm particle size, pore size 100 Å, L × I.D. 150 mm × 4.6 mm

同義詞:

Kromasil C18

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About This Item

分類程式碼代碼:
41115700
eCl@ss:
32110501
NACRES:
SB.52
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agency

suitable for USP L1

產品線

Kromasil®

製造商／商標名

Kromasil® KR100-5-C18-4.6X150

技術

HPLC: suitable

長度 × 內徑

150 mm × 4.6 mm

基質活性組

C18 (octadecyl) phase

粒徑

5 μm

孔徑

100 Å

應用

food and beverages

分離技術

reversed phase

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相關類別

一般說明

反相高效液相色谱（RP）柱在保证高精度数据方面具有极大的优势，在商业上广泛使用，使用方便，耗时少。[1]选择 RP 色谱柱之前应考虑的两个主要方法是：首先是表征填料的理化参数，例如 1％ 的碳载量、表面积、孔径、粒径和 pH。这些是一些重要的参数，对控制列的质量很重要。第二种方法是基于色谱和统计学评估大量化合物的保留行为。Kromasil C18 色谱柱基本上是由硅基单体型反相填料组成的 RP 色谱柱。[2]

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法律資訊

Kromasil is a registered trademark of EKA Chemicals AB

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分析證明 (COA)

Lot/Batch Number

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M Kele et al.
Journal of chromatography. A, 855(2), 423-453 (1999-10-16)
The reproducibility of the retention data and the band profiles was investigated with Kromasil C18 columns (silica-based monomeric type reversed-phase packing material). High precision data were obtained and statistically compared among five columns from the same batch (column-to-column reproducibility) and
Chromatographic classification of commercially available reverse-phase HPLC columns.
Cruz E
Chromatographia, 44 (3-4), 151-161 (1997)

Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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