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P7994

Sigma-Aldrich

Phosphate Buffer Powder

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About This Item

UNSPSC Code:
12161700
NACRES:
NA.25
Pricing and availability is not currently available.

form

powder (free-flowing)

Quality Level

pH

7.3-7.5 (0.017 g/mL in water, high purity)

solubility

water, high purity: 0.017 g/mL, clear, colorless

Application

Phosphate Buffer Powder has been used in nuclear magnetic resonance spectrometry (NMR) analysis.[1]

Reconstitution

Reconstitute with 3.8 liters of water to prepare a 0.1 M solution, pH 7.4 at 25 °C

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Quality assessment of Polygonum cuspidatum and Polygonum multiflorum by 1H NMR metabolite fingerprinting and profiling analysis
Frederich M, et al.
Planta Medica, 77(01), 81-86 (2011)
Klara Gerlei et al.
Nature communications, 11(1), 4228-4228 (2020-08-26)
Grid and head direction codes represent cognitive spaces for navigation and memory. Pure grid cells generate grid codes that have been assumed to be independent of head direction, whereas conjunctive cells generate grid representations that are tuned to a single

Questions

1–2 of 2 Questions  
  1. I'd like to create a 500ml solution. How much of the powder do I use? How much powder is in the jar to create 3.8L solution?

    1 answer
    1. The 3.8 liter product made using this powder is 13.89 g/L potassium phosphate dibasic and 2.75 g/L potassium phosphate monobasic. Therefore, the -EA pack size contains 63 grams of powder.

      Helpful?

  2. Bonjour, Comment préparer une solution de PBS 1x avec cette poudre?

    1 answer
    1. This product is intended to be dissolved in 3.8 liters of water to prepare a 0.1 M phosphate solution, pH 7.4 at 25 °C. This product does not contain NaCl or KCl. It is suggested to purchase a powder preparation in which all components of 1X PBS are present such as item number P3813 for convenience.

      Helpful?

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