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

Chlorobenzene for synthesis. CAS 108-90-7, chemical formula C₆H₅Cl.
Synonyms: Phenyl chloride
Hill Formula: C₆H₅Cl EC Number: 203-628-5 CAS #: 108-90-7 Chemical Formula: C₆H₅Cl Molar Mass: 112.56 g/mol

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).

Formic acid 98-100%
for analysis EMSURE® ACS,Reag. Ph Eur
Synonyms: Methanoic acid, Formylic acid
EC Number: 200-579-1 CAS #: 64-18-6 Hill Formula: CH₂O₂ Molar Mass: 46.03 g/mol Grade: ACS,Reag. Ph Eur Chemical Formula: HCOOH

boric acid
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonyms: Orthoboric acid, Trihydroxidoboron
CAS #: 10043-35-3 Chemical Formula: H₃BO₃ Hill Formula: 101947 Grade: ACS,ISO,Reag. Ph Eur Molar Mass: 61.83 g/mol EC Number: 233-139-2

asetik asit (buzul) 100%
analiz için susuz EMSURE ® ACS, ISO, Reag. Ph Eur
Tepe Formülü: C₂H₄O₂ EC Numarası: 200-580-7 Sınıf: ACS, ISO, Reag. Ph Eur CAS #: 64-19-7 Kimyasal Formül: CHCCOHOH Molar Kütle: 60.05 g/mol