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Supelco

Micro particles based on melamine resin

analytical standard, size: 10 μm

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Synonym(s):
Melamine resin microspheres (size: 10 μm), Melamine-formaldehyde resin, Size standards
MDL number:
NACRES:
NA.24

grade

analytical standard

Quality Level

form

aqueous suspension
particles

concentration

10% (solids)

particle size

10 μm std dev <0.2 μm, coeff var <2%

format

neat

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This Item
960039028790305
form

aqueous suspension, particles

form

aqueous suspension

form

aqueous suspension, particles

form

aqueous suspension, particles

concentration

10% (solids)

concentration

2.5% (solids)

concentration

2.5% (solids)

concentration

2.5% (solids)

format

neat

format

neat

format

neat

format

neat

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

particle size

10 μm std dev <0.2 μm, coeff var <2%

particle size

10 μm std dev <0.3 μm, coeff var <3%

particle size

10 μm std dev <0.3 μm, coeff var <3%

particle size

1 μm std dev <0.1 μm, coeff var <5%

General description

Melamine resin-based microparticles (size: 10 μm) are a size standard, ideal to determine the particle size distribution (PSD) profile of test samples.
The product contains hydrophilic surfaces with high degree of cross linking and high pressure resistance. Lyophilization and resuspension in aqueous media does not damage them (powders are available on request).

Application

Used to calibrate and monitor particle counting and sizing equipment.

Features and Benefits

  • suitable for routine instrument calibration checks and corrections
  • extremely high stability in organic solvents
  • no swelling or shrinking upon contact with organic solvents
  • aqueous suspensions are stable to repeated freeze-thaw cycles
  • available in 10 mL pack size as a neat sample

Analysis Note

For every lot, exact values of particle size and standard deviation are determined with an accuracy of 0.01 μm using a Coulter Multisizer.
Density: 1.51 g/cm3
Heat resistance <300 °C
Chemical resistance: acids, bases, organic solvents
Monodisperse melamin resin particles are characterized by high uniformity and narrow size distribution. They carry functional methylol groups, which can be used for covalent coupling of biological active compounds.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

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Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

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  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

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