Indicator buffer tablets
for the determination of water hardness with Titriplex® solutions

Buffer solution
(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

pH-indicator strips pH 7.5 – 14
non-bleeding pH 7.5 – 8.0 – 8.5 – 9.0 – 9.5 – 10.0 – 10.5 – 11.0 – 11.5 – 12.0 – 12.5 – 13.0 – 13.5 – 14.0 MQuant®

Phenolphthalein indicator ACS,Reag. Ph Eur
CAS #: 77-09-8 Hill Formula: C₂₀H₁₄O₄ Molar Mass: 318.32 g/mol Grade: ACS,Reag. Ph Eur EC Number: 201-004-7

Brilliant green (hydrogen sulfate) (C.I. 42040)
Brilliant green (hydrogen sulfate) (C.I. 42040) for microbiology. CAS 633-03-4, pH 2.5 (10 g/l, H₂O, 25 °C).
Synonyms: Diamond green G, Solid green, Ethyl green
Solubility: 100 g/l ph Value: 2.5 (10 g/l, H₂O, 25 °C)

Potassium hydroxide pellets for analysis EMSURE®
Synonyms: Potash caustic
CAS #: 1310-58-3 Hill Formula: HKO Molar Mass: 56.11 g/mol EC Number: 215-181-3 Chemical Formula: KOH