Chemicals

2',7'-Dichlorofluorescein solution indicator, read

200-275 mV ORP solution (230mL)

20mL disposable syringe 100/pk

3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt, confirm 1H - NMR, 1g

3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt, confirm 1H - NMR, 5g

3-(Trimethylsilyl)propionic-2,2,3,3-d4 acid sodium salt, 99 atom%D, 1g

3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid

3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid

3-Methylbutanol puriss. p.a., ACS reagent, >98.5%

3-Methylbutanol puriss. p.a., ACS reagent, >98.5%

30709 Salpetersre >65% PPA Ph-Q

4 column selection valve BioC 600bar

4-(Dimethylamino)benzaldehyde for the determinatio

4-(Dimethylamino)benzaldehyde for the determinatio

4-Methyl-2-pentanone CHROMASOLV®, for HPLC, >99.5%

4-Methyl-2-pentanone puriss. p.a., ACS reagent, re

4-Methyl-2-pentanone puriss. p.a., ACS reagent, re

4-Methyl-2-pentanone puriss. p.a., ACS reagent, re

4-Methyl-2-pentanone puriss. p.a., ACS reagent, re

4-Nitroaniline indicator (in non-aqueous solvents)

5mL disposable syringe 100/pk

Acetate buffer solution pH 4.6 sodium acetate / ac

Acetate buffer solution pH 4.6 sodium acetate / ac

Acetate buffer solution pH 4.6 sodium acetate / ac