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 0 – 14 Universal indicator
non-bleeding pH 0 – 1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 9 – 10 – 11 – 12 – 13 – 14 MQuant®

Sodium hydroxide pellets for analysis EMSURE®
Synonyms: Soda caustic
Hill Formula: HNaO EC Number: 215-185-5 CAS #: 1310-73-2 Chemical Formula: NaOH Molar Mass: 40.00 g/mol

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