| Certification: | ISO 17034 ✔ |
ISO 17025 ✔ |
ISO 9001 ✔ |
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| 1x | Buffer solution pH 3.7 | EUR 65.00 |
| 1x | Sodium hydroxide carbonate-free VS 0.5 mol/l | EUR 40.00 |
| 1x | Sodium thiosulfate VS 0.02 mol/l | EUR 40.00 |
| 1x | Ammonium Hydroxide, 6 N | EUR 75.00 |
| 1x | Potassium Arsenite 0.1N VS | EUR 112.00 |
| 1x | Phosphate buffer solution 0.1M pH 11.3 | EUR 65.00 |
| 6x | Discount for non-paper Certificate of Analysis | EUR -6.00 |