Carl ROTH offers an extensive range of calibration standards. These products are manufactured from highly pure starting material and are specially tested for each application. The corresponding batch-specific certificate of analysis is available online. Each product series offers excellent value for money.

Properties:

• Manufactured from high purity buffer substances
• No need for time-consuming drying and weighing of reagents
• The buffer solutions are adjusted to their respective pH values by comparison with standard buffer solutions (according to DIN 19266 and based on primary reference materials of the PTB and/or NIST)
• Quick and precise calibration of measuring equipment
• Stabilised against algae and bacterial action