Fisher Scientific UK Ltd.
part of Thermo Fisher Scientific
Bishop Meadow Road,
Loughborough,
Leicestershire,
LE11 5RG |
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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
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| Catalogue Number: |
S/4520 |
Expiry Phrase: |
Use within 5 yrs of opening |
| Description: |
di-Sodium hydrogen orthophosphate, anhydrous |
| Grade: |
AR |
Application: |
For analysis |
| Result Name |
Specification |
Units |
| Arsenic (As) |
<= 2 |
ppm
|
| Assay |
>= 99.5 and <= 101 |
%
|
| Calcium (Ca) |
<= 20 |
ppm
|
| Copper (Cu) |
<= 5 |
ppm
|
| Heavy metals |
<= 10 |
ppm
|
| Insoluble matter (%) |
<= 0.01 |
%
|
| Iron (Fe) |
<= 10 |
ppm
|
| Lead (Pb) |
<= 5 |
ppm
|
| Loss on drying |
<= 0.2 |
%
|
| Magnesium (Mg) |
<= 10 |
ppm
|
| Monosodium phosphate (%) |
<= 2.5 |
%
|
| Potassium (K) |
<= 200 |
ppm
|
| Reducing substances (Pass/Fail) |
Must be 'Pass' |
|
| Reducing substances (Pass/Fail) |
Must be 'Pass' |
|
| Sulfate (SO4) (%) |
<= 0.005 |
%
|
| Total chloride (Cl) |
<= 0.002 |
%
|
| Total nitrogen (N) |
<= 20 |
ppm
|
| Total silicon (Si) |
<= 50 |
ppm
|
| Total sulfur (S) |
<= 20 |
ppm
|
| Zinc (Zn) |
<= 5 |
ppm
|
| pH (2% aq. solution) |
>= 9 and <= 9.3 |
|
| pH (5% aq. solution) @ 25C |
>= 8.7 and <= 9.3 |
|
| Additional Information: |
Meets the current analytical specification of BP and Ph. Eur. |
|
Mrs Paula Faulkes |
Wednesday 17th of December 2025 |
|
Quality Assurance Manager. |
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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
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