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Merck
CN

1500502

USP

Particle Count Set

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Polystyrene microsphere suspensions

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About This Item

NACRES:
NA.24
UNSPSC Code:
41116107

Key Documents

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Product Name

Particle Count Set, United States Pharmacopeia (USP) Reference Standard

grade

pharmaceutical primary standard

form

particles

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

Related Categories

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Particle Count Set USP reference standard intended for use in specified quality tests and assays.

Also used for calibration, recovery studies, and accurate particle counts for reference standards according to United States Pharmacopeia (USP) general chapters:
  • 〈1788.1〉 Light obscuration method for the determination of subvisible particulate matter
  • 〈1788.3〉 Flow imaging method for the determination of subvisible particulate matter
  • 〈1788〉 Methods for the determination of subvisible particulate matter
Additionally, used in a method system suitability evaluation for microscope preparation and for comparative counts between the trainer and the operators.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Storage Class

10 - Combustible liquids

wgk

WGK 3

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?1788.1? Light obscuration method for the determination of subvisible particulate matter
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 46(1) (2021)
?1788? Methods for the determination of subvisible particulate matter
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 46(1) (2021)
?1788.3? Flow imaging method for the determination of subvisible particulate matter
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 46(1) (2021)
?1788.2? Membrane microscope method for the determination of subvisible particulate matter
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 46(1) (2021)

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