Collodion 4%

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

Ammonium peroxodisulfate EMPLURA®
Synonyms: Ammonium persulfate, Peroxidisulfuric acid diammonium salt
Hill Formula: H₈N₂O₈S₂ CAS #: 7727-54-0 Chemical Formula: (NH₄)₂S₂O₈ Molar Mass: 228.19 g/mol

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

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

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

Aluminium hydroxide powder, hydrargillite EMPLURA®
Synonyms: Hydrargillite
Hill Formula: AlH₃O₃ EC Number: 244-492-7 CAS #: 21645-51-2 Chemical Formula: Al(OH)₃ * x H₂O Molar Mass: 78 g/mol