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Description

McKesson Brand McKesson Conical Bottom Microcentrifuge Tube, 0.5 mL (10000/CS)

  • Large, black, clearly printed graduations in precise increments of 0.1 mL
  • Frosted writing area on each tube for labeling
  • Compatible for use with all standard and high-capacity centrifuge rotors
  • 0.5-mL polypropylene tubes can be centrifuged at up to 20,000 RCF
  • Quality, food-grade construction certified to be free from DNase, RNase, pyrogen and DNA
  • Supplied in resealable, tamper-evident, self-standing bags

Frequently asked questions

Are these tubes durable enough for high-speed centrifugation?
<p>Yes, these tubes are engineered for precision performance and are rated for high-speed centrifugation up to <strong>20,000 RCF (xG)</strong>, ensuring they can withstand demanding laboratory workflows.</p>
Can I use these for long-term storage in freezers?
<p>Absolutely. These tubes are designed to maintain integrity across a wide temperature range, specifically from <strong>-80°C to 121°C (-112°F to 250°F)</strong>, making them suitable for both cryogenic storage and high-heat sterilization processes.</p>
Will these tubes interfere with my spectrophotometer readings?
<p>No, the tubes are crafted from <strong>naturally clear, high-quality polypropylene</strong>, which is specifically designed to provide an unobstructed view of sample contents and ensure it does not interfere with spectrophotometer readings.</p>
Are these tubes certified free of contaminants?
<p>Yes, to ensure maximum sample integrity, each tube is guaranteed to be:</p>
<ul>
<li><strong>DNase-free</strong></li>
<li><strong>RNase-free</strong></li>
<li><strong>Pyrogen-free</strong></li>
<li><strong>DNA-free</strong></li>
</ul>
Does the cap provide a secure seal to prevent spills?
<p>The permanently attached <strong>snap cap</strong> is designed for security and convenience. It includes a thin, needle-pierceable membrane that allows for easy access while minimizing the risk of spills and cross-contamination.</p>
Is the labeling area easy to write on?
<p>Yes, each tube is equipped with a <strong>dedicated frosted writing area</strong>, allowing for clear and reliable identification of your samples.</p>
Are the graduation marks easy to read?
<p>Yes, the tubes feature <strong>large, clearly printed high-contrast black graduations</strong> in 0.1 mL increments, allowing for highly accurate measurements during sample preparation.</p>
Are these tubes made with natural rubber latex?
<p>No, these microcentrifuge tubes are strictly <strong>latex-free</strong> and are constructed from food-grade polypropylene materials.</p>