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20533

Supelco

PTFE 管

tubing L × O.D. × I.D. 25 ft × 1/4 in. (6.35 mm) × 0.228 in. (5.8 mm)

别名:

PTFE 管，1/4 外径×25 英尺

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1 EA
$199.00

$199.00

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1 EA
$199.00

About This Item

UNSPSC代码:
41115720

$199.00

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物料

PTFE (TFE)
PTFE tubing

技术

gas chromatography (GC): suitable

管道长度 × 外径 × 内径

25 ft × 1/4 in. (6.35 mm) × 0.228 in. (5.8 mm)

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相关类别

一般描述

最高温度 240°C。
聚四氟乙烯（PTFE）是一种含氟聚合物，也是最润滑的聚合物，摩擦系数低。[1]之所以选择聚四氟乙烯管是因为其具有优异的疏水性、化学惰性和耐高压性能。[2]它适合用于保护光纤。[3]

应用

在接种致病疫霉或镰刀菌的马铃薯块茎中挥发性有机化合物的气相色谱-质谱分析过程中，聚四氟乙烯管可用于将气体管线连接到端口。[4]

储存分类代码

11 - Combustible Solids

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Buddy D. Ratner et. Al.
Biomaterials Science: An Introduction to Materials in Medicine, 93-93 (2012)
K. T. V. Grattan, B.T. Meggitt
Optical Fiber Sensor Technology: Applications and systems, 3, 36-36 (1999)
Tania Nolan, Stephen A. Bustin
PCR Technology: Current Innovations, 164-164 (2013)
Gas chromatography-mass spectrometry analyses of volatile organic compounds from potato tubers inoculated with Phytophthora infestans or Fusarium coeruleum.
De Lacy Costello, B. P. J., et al.
Plant Pathology, 50, 489-496 (2001)

Questions

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  1. 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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  2. 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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