Sodium thiosulfate pentahydrate
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonyms: Antichlor
Hill Formula: Na₂O₃S₂ * 5 H₂O EC Number: 231-867-5 Grade: ACS,ISO,Reag. Ph Eur CAS #: 10102-17-7 Molar Mass: 248.21 g/mol

Titrant 5
titrant for volumetric Karl Fischer titration with two component reagents 1 ml ≙ ca. 5 mg H₂O Aquastar®

Collodion 4%

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

Potassium hydroxide solution in ethanol
Potassium hydroxide solution in ethanol c(KOH) = 0.1 mol/l (0.1 N) Titripur® Reag. Ph Eur,Reag. USP. Potassium hydroxide solution in ethanol HS Code 3822 00 00, ph value 14 (H₂O, 20 °C).

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®

Silver sulfate extra pure
Hill Formula: Ag₂O₄S EC Number: 233-653-7 CAS #: 10294-26-5 Chemical Formula: Ag₂SO₄ Molar Mass: 311.8 g/mol

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