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NIST705A

Polystyrene (narrow molecular weight distribution)

NIST® SRM® 705a

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Synonym(s):
Polystyrene, PS
Linear Formula:
[CH2CH(C6H5)]n
MDL number:
NACRES:
NA.24

grade

certified reference material

Quality Level

form

solid

packaging

pkg of 5 g

manufacturer/tradename

NIST®

application(s)

chemicals and industrial polymers

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This Item
NIST1478NIST1483ANIST1963A
vibrant-m

NIST1483A

Linear Polyethylene

form

solid

form

beads

form

-

form

suspension

manufacturer/tradename

NIST®

manufacturer/tradename

NIST®

manufacturer/tradename

NIST®

manufacturer/tradename

NIST®

application(s)

chemicals and industrial polymers

application(s)

chemicals and industrial polymers

application(s)

chemicals and industrial polymers

application(s)

-

packaging

pkg of 5 g

packaging

pkg of 2 g

packaging

bottle of 10 g

packaging

pkg of 5 mL

Quality Level

100

Quality Level

100

Quality Level

-

Quality Level

-

General description

This Standard Reference Material (SRM) is intended for use in the calibration of instruments used in polymer science and technology for the determination of molecular weight and for use in checking dynamic thermal analytical instruments. The SRM is supplied as small white slender rodlets of polystyrene in a 5 gram unit.
For more information, please refer to the SDS and COA.

SRM 705A_cert SRM 705A _SDS

Other Notes

Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Polystyrene

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)

Having trouble? Feel free to contact Technical Service for assistance.

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

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

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

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

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