All Standards Equivalent to Metrohm produced by CPAchem use high-purity metals or salts in sub-boiling distilled acids. CPAchem's quality system is currently ISO 9001 certified. CPAchem's quality control laboratory is ISO 17025:2005 registered/certified. CPAchem is ISO 17034:2016 registered/certified while demonstrating technical competence in the field of Reference Material Producer.
| 1x | Phosphate Buffer pH 7.5, 0.2M (acc. to Ph Eur) | EUR 65.00 |
| 1x | Buffer Solution pH 9.0 (acc. to Ph Eur) | EUR 71.00 |
| 1x | Tris(hydroxymethyl)aminomethane-EDTA buffer solut... | EUR 84.00 |
| 1x | Ammonium Chloride Buffer Solution pH 10.7 | EUR 65.00 |
| 1x | Buffer Solution pH 8.0 (acc. to Ph Eur) | EUR 114.00 |
| 1x | Phosphate-citrate buffer solution pH 5.5 (acc. to... | EUR 65.00 |
| 1x | Sodium Acetate Buffer Solution pH 4.0, 0.1M (acc.... | EUR 65.00 |
| 7x | Discount for non-paper Certificate of Analysis | EUR -7.00 |