Calibration standard nD 1.5800

Calibration standard for refractometers with certificate – 30 ml

• nD 1.5800 ±0.0002 at 25°C, temperature coefficient -0.000428+°C
• Traceable to an internationally recognized standard according to N.I.S.T.
• Calibration solution with defined measured value and certificate at 25°C.
• Each bottle is equipped with temperature correction information. The setpoints for temperatures deviating from 25°C are easy to calculate individually.
• The standard is very inert and guarantees a long shelf life of 5 years unopened. After opening the 30ml bottle, half of the remaining time is considered the expiration date.
• Consists of aliphatic / alicyclic hydrocarbons that are easy to clean with water or standard laboratory solvents, leaving no residue.