Request a quote
HomeAll CategoriesLaboratory ChemicalsAnalytical StandardsScharlau pH 10.00 buffer solution at 20 °C (carbonate/bicarbonate)
Representative Scharlau packaging for Scharlau pH 10.00 buffer solution at 20 °C (carbonate/bicarbonate) — SO10100250

Official distributor support

ScharlauAnalytical Standards

Scharlau pH 10.00 buffer solution at 20 °C (carbonate/bicarbonate)

Manufacturer product code
SO1010

Scharlau SO10100250: sodium carbonate/sodium hydrogen carbonate buffer, pH 10.00 at 20 °C. Published pH range 9.98–10.02, uncertainty ± 0.01; batch pH measured with a combination glass electrode using two-point calibration according to DIN 19268. Pack: 250 mL plastic bottle.

Applications
  • pH meter and electrode calibration at the appropriate temperature
  • Reference checks for pH measurements around pH 10.00
Packaging options
SO10100250 — x 250 ml :: Plastic bottle

Product specifications and documentation are confirmed against the requested reference before quotation.

Product information

Overview

Scharlau SO10100250 is a sodium carbonate/sodium hydrogen carbonate buffer with a reference pH of 10.00 at 20 °C. Its pH specification is 9.98–10.02, with an uncertainty of ± 0.01. The composition is 2.4 g sodium carbonate and 2.1 g sodium hydrogen carbonate per litre. Batch pH is measured with a combination glass electrode using two-point calibration according to DIN 19268. The density is 1.00 g/cm³; the solution is miscible with water at 20 °C. Supplied in a 250 mL plastic bottle; temperature/pH reference values cover 0–50 °C.

  • Pack quantity / capacity: 250
  • Measurement unit: Millilitre (mL)
  • Package type: Bottle
Packaging and references
  • 250 mL · Bottle
  • SO10100250 — x 250 ml :: Plastic bottle
Selected specifications
  • Reference pH at 20 °C: 10.00
  • pH specification range: 9.98–10.02
  • Uncertainty: ± 0.01
  • Composition: 2.4 g sodium carbonate and 2.1 g sodium hydrogen carbonate per litre
  • Density: 1.00 g/cm³
  • Miscibility with water at 20 °C: miscible
  • Batch pH measurement: combination glass electrode; two-point calibration according to DIN 19268
  • Temperature/pH values: 0 °C: 10.25; 5 °C: 10.18; 10 °C: 10.12; 15 °C: 10.06; 20 °C: 10.00; 25 °C: 9.97; 30 °C: 9.93; 35 °C: 9.91; 40 °C: 9.89; 45 °C: 9.83; 50 °C: 9.78
  • Melting point: -6 °C
  • Boiling point: 110 °C
  • Nominal pH (20 °C): 10.00
  • Classification in English UK REACH SDS: not classified under GB CLP.
  • English SDS: UK REACH edition; revision 06.09.2026.
  • ADR entries in DE SDS §14: UN number, class and packing group marked not applicable.
  • pH(H2O, 20 °C) 10.0
  • Manufacturer's representative package image; the applicable product label is identified by the manufacturer reference.
  • Technical data sheet available. Lot-specific certificate of analysis is supplied with the corresponding batch when available.
Applications
  • pH meter and electrode calibration at the appropriate temperature
  • Reference checks for pH measurements around pH 10.00

BUYER GUIDANCE

Define the requirement before requesting a quotation

Three details help us identify a suitable product and review the request without unnecessary back-and-forth.

  1. Application

    Explain where and how the product will be used.

  2. Technical requirement

    Share the required grade, dimensions, compatibility, performance or model.

  3. Documentation and delivery

    State the required documents, quantity, packaging and destination country.

Analytical Standards

Related products

Other products from the same brand or product category that may support your analytical workflow.

Scharlau conductivity standard 84 µS/cm at 25 °C, KCl 0.0006 mol/L
Scharlau

Scharlau conductivity standard 84 µS/cm at 25 °C, KCl 0.0006 mol/L

Scharlau PA00990250: 84 µS/cm conductivity standard at 25 °C, based on aqueous potassium chloride (KCl), 0.0006 mol/L. Published range 83.0–85.0 µS/cm and uncertainty < 1%. Includes conductivity values from 15 to 40 °C. Pack: 250 mL plastic bottle.

Packaging options1

Scharlau conductivity standard 147 µS/cm at 25 °C, KCl 0.001 mol/L
Scharlau

Scharlau conductivity standard 147 µS/cm at 25 °C, KCl 0.001 mol/L

Scharlau PA01000250: 147 µS/cm conductivity standard at 25 °C, based on aqueous potassium chloride (KCl), 0.001 mol/L. Published range 145–149 µS/cm and uncertainty < 1%. Includes conductivity values from 15 to 40 °C. Pack: 250 mL plastic bottle.

Packaging options1

Scharlau conductivity standard 1413 µS/cm at 25 °C, KCl 0.01 mol/L
Scharlau

Scharlau conductivity standard 1413 µS/cm at 25 °C, KCl 0.01 mol/L

Scharlau PA01010250: 1413 µS/cm conductivity standard at 25 °C, based on aqueous potassium chloride (KCl), 0.01 mol/L. Published range 1399–1427 µS/cm and uncertainty < 1%. Includes conductivity values from 15 to 40 °C. Pack: 250 mL plastic bottle.

Packaging options1

View all products

RECOMMENDED ARTICLES

Helpful resources

Practical guides for comparing products, technical grades and documentation requirements.

View all articles

Tell us what you need to source

Share the available product details and our team will review the request.

Create a quote request
Weltnexx

Create a quote request