Code: 1.99002.0001
The di-sodium tetraborate buffer solution is gravimetrically prepared at a registered calibration laboratory with high-quality reagents and water.
per PK 30
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For calibration of pH meters.
Practical 30 ml sachets - one use per sachet - no risk of contamination
Solutions are always fresh and ready to use
Traceable to SRM from NIST and PTB
Reference temperature: +25 °C
Precision: Deviation is max. ±0,015 pH units
pH value is measured with a combined glass electrode after 5-point calibration according to DIN 19268 with reference buffer solutions according to DIN 19266, IUPAC, NIST, Ph.Eur. and USP.
