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| Suprapur® |
| High puritiy acids for instrumental analysis in the ppb-range |
| Ultrapur |
| High purity acids for instrumental analysis in the ppt-range |
| For analysis EMSURE® |
| Our premium quality grade for use in the classical wet chemical lab. Specified according to ACS, ISO and/or Reag. Ph Eur. Widest range of pack sizes and packaging materials. |
| For analysis EMPARTA® |
| EMPARTA® - Our quality grade for basic lab applications. Specified according to ACS and available in 2.5 l packages. |