Electrochemistry Buffers

Thermo Scientific™ Orion™ pH Buffer Cubitainers™

Hold 5 gallons (19L) of pH buffer in color-coded Thermo Scientific™ Orion™ pH Buffer Cubitainers™ with easy-pour spigot.

Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches

Orion™ single-use pH calibration buffers deliver NIST-traceable accuracy for pH meters and electrodes. Designed for GxP labs, these ready-to-use, color-coded buffer pouches support compliant workflows, reduce contamination risk and ensure reliable, traceable pH calibration results.

Buffer Solution, pH 10.00, Color-Coded Blue, Mettler Toledo™

GSA/VA Contract
Available on GSA/VA contract for Federal Government customers.
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METTLER TOLEDO™ solutions for electrode calibration and care.

Buffer Solution, pH 2.00 +/-0.02 at 25°C, Reference Standard, Spectrum™ Chemical

B-225

Blue-Ten (TM) Buffer Solution, pH 10.00, (±0.01 at 25°C)Color-coded BLUE, Reference Standard, Spectrum™ Chemical

Buffer concentrate pH 7.00, For 500 ml buffer solution, potassium dihydrogen phosphate / disodium hydrogen phosphate, Solstice

for 500 ml buffer solution, potassium dihydrogen phosphate / disodium hydrogen phosphate

Blasticidin S hydrochloride, 98+%, 10mg/ml in 1M HEPES buffer soln.

CAS: 3-9-3513 Molecular Formula: C17H27ClN8O5 Molecular Weight (g/mol): 458.90 MDL Number: MFCD02091640 InChI Key: YQXYQOXRCNEATG-UHFFFAOYNA-N PubChem CID: 124080960 SMILES: CN(CCC(CC(=O)NC1C=CC(OC1C(=O)O)N2C=CC(=NC2=O)N)N)C(=N)N.Cl

Thermo Scientific Chemicals Sodium citrate, 0.5M buffer soln., pH 6.5

Buffer solution, 9.0, blue colored, borax / hydrochloric acid, Solstice

CAS: 1336-21-6 Molecular Formula: H5NO Molecular Weight (g/mol): 35.05 MDL Number: MFCD00066650 InChI Key: VHUUQVKOLVNVRT-UHFFFAOYSA-N PubChem CID: 14923 ChEBI: CHEBI:18219 SMILES: N.O

Buffer, Reference Standard, pH 7.000.01 (25°C), MilliporeSigma™ Supelco™

Buffer solution pH 7, Phosphate buffer, traceable to NIST, ready to use

CAS: 7558-79-4

Standard Reference Solution, pH 4.01 Buffer, Macron Fine Chemicals™

Buffer concentrate, pH 9.00 ± 0.02 (20°C), Supelco

Traceable to SRM of NIST and PTB for 500 mL buffer solution, Titrisol™

Succinate, 0.2M buffer soln., pH 5.0, Thermo Scientific™

CAS: 150-90-3 Molecular Formula: C4H4Na2O4 Molecular Weight (g/mol): 162.052 MDL Number: MFCD00002789 InChI Key: ZDQYSKICYIVCPN-UHFFFAOYSA-L PubChem CID: 9020 ChEBI: CHEBI:63675 IUPAC Name: disodium;butanedioate SMILES: C(CC(=O)[O-])C(=O)[O-].[Na+].[Na+]

Bicarbonate, 1M buffer soln., pH 9.0, Thermo Scientific™

CAS: 144-55-8 Molecular Formula: CHNaO3 Molecular Weight (g/mol): 84.01 MDL Number: MFCD00003528 InChI Key: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 IUPAC Name: sodium;hydrogen carbonate SMILES: [Na+].OC([O-])=O