Fisher Scientific UK Ltd.
part of Thermo Fisher Scientific
Bishop Meadow Road,
Loughborough,
Leicestershire,
LE11 5RG
Specification Sheet

Fisher Scientific's Quality System has been found to conform to Quality Management System Standard ISO9001:2015 by SAI Global Certificate Number QMS42099

Catalogue Number: S/4955 Expiry Phrase: Use within 4 years of opening

Description: Sodium Hydroxide 32%
Grade: AR Application: For nitrogen determination


Result Name Specification Units
Aluminium (Al) <= 5 ppm
Assay >= 31 and <= 33 %
Carbonate (CO3) <= 0.2 %
Chloride (Cl) (ppm) <= 50 ppm
Heavy metals <= 5 ppm
Iron (Fe) <= 5 ppm
Phosphate (PO4) <= 5 ppm
Silicate <= 10 ppm
Sulfate (SO4) (ppm) <= 50 ppm
Total nitrogen (N) <= 1 ppm

Additional Information:

Mrs Paula Faulkes Thursday 13th of June 2024
Quality Assurance Manager.

Note: The data listed is valid for all package sizes of this lot of this product, expressed as an extension of the catalogue number listed above. If there are any questions regarding this certificate, please call Technical Support on +32 1456 5600