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

Sodium sulfate anhydrous for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Hill Formula: Na₂O₄S EC Number: 231-820-9 Grade: ACS,ISO,Reag. Ph Eur CAS #: 7757-82-6 Chemical Formula: Na₂SO₄ Molar Mass: 142.04 g/mol

Buffer solution
(boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (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®

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)