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Specific certificates cannot be reissued.
It is against our Quality Policy as we cannot guarantee how the standards have been stored once leaving our facility.
We would recommend making a photocopy/scanning the certificate upon receipt to avoid issues if lost.
However reference copies of our Certificates can be downloaded from our Certificate Bank.

0.1-1um Polydisperse Standards (PS180, PS181)0.1-1um Polydisperse Standards (PS180, PS181)
10 bottle set, each bottle = 0.01g
Price: £255.00
1-10um Polydisperse Standards (PS190 PS191, PS192, PS193, PS194)1-10um Polydisperse Standards (PS190 PS191, PS192, PS193, PS194)
5 different weights available
Price: £84.00
3-30um  Polydisperse Standards            (PS200, PS201, PS202, PS203, PS204, PS205)3-30um Polydisperse Standards (PS200, PS201, PS202, PS203, PS204, PS205)
6 different weights available
Price: £72.50
10-100um Polydisperse Standards  (PS211, PS312, PS313, PS314, PS315, PS316)10-100um Polydisperse Standards (PS211, PS312, PS313, PS314, PS315, PS316)
Available in 6 different weights
Price: £72.50
50-350um Polydisperse Standards (PS222, PS223, PS224, PS225, PS226, PS227)50-350um Polydisperse Standards (PS222, PS223, PS224, PS225, PS226, PS227)
Available in 6 different weight options
Price: £72.50
150-650um Polydisperse Standards (PS232, PS233, PS234, PS235, PS236, PS237)150-650um Polydisperse Standards (PS232, PS233, PS234, PS235, PS236, PS237)
Available in 6 different weight options
Price: £98.00
500-2000um Polydisperse Standards (PS240)500-2000um Polydisperse Standards (PS240)
10 bottle set, each bottle = 7g
Price: £190.00

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