Buffer solutions

The calibration vessel, integrated into the CHEMSOLUTE® twin neck dispensing bottles, allows the particularly economical dispensing of solution and prevents contamination.

- Accuracy ±0.01 pH units, reference temperature 20 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• The dyed buffer solutions allow easy identification

The ready-to-use buffer solutions from CHEMSOLUTE® are renowned for their quality and ease of use.

- Accuracy: ±0.02 pH units, reference temperature 20 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• In PP bottles (500 ml & 1000 ml) or polytainers (5000 ml)

The ready-to-use buffer solutions from CHEMSOLUTE® are renowned for their quality and ease of use.

- Accuracy ±0.02 pH units, reference temperature 20 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• In PP bottles
• The dyed buffer solutions allow easy identification

The calibration vessel, integrated into the CHEMSOLUTE® twin neck dispensing bottles, allows the particularly economical dispensing of solution and prevents contamination.

- Accuracy ±0.010 pH units, reference temperature 25 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• Comply with DIN 19266

These high-quality CHEMSOLUTE® electrolyte solutions are perfectly suited to the secure and reliable maintenance and care of electrodes.

• Ideal for topping up and replacing reference electrolyte solution in pH electrodes
• Suitable for long-term wet storage of the electrodes
• Traceable to SRM from the National Institute of Standards and Technology (NIST)

The CHEMSOLUTE® range offers the best solutions for the cleaning and regeneration of your electrodes.

• Pepsin/HCl cleaning solution for removing organic contaminations such as proteins from pH combined electrodes
• Thiourea/HCl cleaning solution for removing silver sulphide from diaphragms

The ready-to-use buffer solutions from CHEMSOLUTE® are renowned for their quality and ease of use.

- Accuracy ±0.01 pH units, reference temperature 25 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• In PP bottles

The ready-to-use buffer solutions from CHEMSOLUTE® are renowned for their quality and ease of use.

- Accuracy ±0.01 pH units, reference temperature 25 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• In PP bottles
• The dyed buffer solutions allow easy identification

• Accuracy ±0.02 pH units, reference temperature 25 °C
• Traceable to the National Institute of Standards and Technology (NIST)
• In 30 ml sealed-edge pouch with coloured tear-off edge
• The dyed buffer solutions allow easy identification

Reliable and easy to use: BIOSOLUTE® PBS Buffer tablets or powder for phosphate-buffered saline solution only need to be dissolved in deionized water. By using these readymade buffers, you avoid errors in calculation, formulation, weight and pH adjustment.

Your benefit

• Guaranteed batch consistency and reproducibility
• Manufactured from high purity starting materials
• Precisely weighed with adjusted pH value
• Saves storage space compared to liquid prepared buffers
• Autoclavable

The calibration vessel, integrated into the CHEMSOLUTE® twin neck dispensing bottles, allows the particularly economical dispensing of solution and prevents contamination.

- Accuracy ±0.02 pH units, reference temperature 25 °C

• Traceable to the National Institute of Standards and Technology (NIST)
• The dyed buffer solutions allow easy identification

The ready-to-use buffer solutions from CHEMSOLUTE® are renowned for their quality and ease of use.

The pH calibration kit from CHEMSOLUTE® contains six ready-to-use buffer solutions with colour coding and is characterized by its easy handling.

• Content: 2x pH 4.01 (red), 2x pH 7.01 (yellow), 2x pH 10.01 (blue)
• Accuracy ±0.01 pH units, reference temperature 20 °C
• Traceable to the National Institute of Standards and Technology (NIST)
• In PP tubes (30 ml)

The ready-to-use pH buffer solutions offer high quality and precision. The integrated calibration vessel of the twin-neck dispensing bottles allows the economical dispensing of the solution and prevents contamination.

• Accuracy ±0.01, tested and certified at 25 °C
• Temperature dependence data table printed on the label
• Traceable to NIST
• Shelf-life: 24 months (pH 7) or 36 months (pH 4) from date of production
• pH 10 is borax-free
• Colour-coded

The ready-to-use pH buffer solutions offer excellent quality, precision and are designed to suit all end-user requirements. Supplied in colour-coded 1 l bottles to eliminate any risk of confusion.

• Accuracy ±0.01, tested and certified at 25 °C
• Temperature dependence data table printed on the label
• Traceable to NIST
• pH 10 is borax-free

The ready-to-use pH buffer solutions offer high quality and precision.

• Tolerance ±0.01, tested and certified at 20 °C
• Batch number, expiry date, and temperature dependence data table printed on the label
• Traceable to NIST (SRM)
• pH 9 and 10 are borax-free

Potassium chloride electrolyte for pH electrodes - Filling solution for reference electrolyte.
The safety data sheets of these products are available under www.llg-labware.com....

Technical, NIST/DIN and certified buffer solutions for calibrating pH electrodes.
Tolerance: ± 0.02 pH...

Identified by colour-coded labels. Tolerance ±0.03 pH....

Solution with 15 ml or refill bottle with 100 ml....

To DIN/NIST. Supplied in 250ml bottles. Tolerance ±0.02 pH....

Sealed sachets in boxes as indicated. For single use only. Packaging ensures that buffer solution is always fresh, has not been used before and is not contaminated....

250 ml bottle, screw cap and seal. Please order KCl solution separately....

LiCI solution 1 mol/l in ethanol for measurements in non-aqueous media....

Supplied in packs of 250ml....

For testing ORP electrodes. 427mV, pH7.
Supplied in pack of 250ml....

Guarantee of accuracy

• Certificate including the actual value and expiry date
• Certified traceable to primary SRM from NIST/PTB
• Resistant to microbes
• Convenient 250 ml/500 ml plastic bottle with built-in calibration compartment
• Economical, since less buffer is used per calibration
• Certified pH value of one for the pH measurement accredited DKD laboratory

Clear, colourless DIN value pH buffer solutions. Tested at 25 °C and certified by Reagecon"s ISO 17025 accredited test method. NIST traceable and presented in 500 ml bottles.

Other pack sizes available upon request....

Clear, Colourless pH Buffer Solutions. Tested and ISO17025 Certified at 20 °C, supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates. Containers made of HDPE....

Electrolytes are used as refill solutions for liquid filled electrodes as well as a storage solution for all types of pH electrodes. With the pepsin cleaning solution, you can remove protein precipitation from the diaphragm of electrodes with liquid electrolyte....

For refilling or replacing reference electrolyte. Supplied in 250ml DURAN ^® bottles....

For pH-probes....

Coloured pH buffer solutions. Tested and ISO 17025 certified at 20 °C. Uncertainty of measurement ±0.01 pH. Supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates....

To test redox (ORP) of electrodes. Supplied in bottles as indicated....

Colour coded. Tested and ISO 17025 Certified at 25 °C. Uncertainty of measurement ±0.02 pH. Temperature dependence data is printed on the label as are lot numbers and expiry dates. These pH buffer solutions are suitable for use where very accurate measurements are required and are supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T (the N.I.S.T SRM(s) Lot No. is stated on the certificate). This item has a 12 to 36 month shelf life from date of manufacture depending on pH value....

...

• Reliable and precise
• Non-bleeding
• Easy and quick analysis
• Made in Europe

According to DIN 19 266. Values stated at 25°C. To be delivered in DURAN ^® glass bottles. Hot steam sterilized. Accuracy ±0.012pH. Comes with individual batch number and manufacturer certificate....

Supplied in box with three 250 ml bottles of pH 4.01, 6.87, 9.18 buffer solutions, pepsin cleaning solution and KCl filling solution 3 mol/l....

Cleaning, rinse, regeneration and storage solution. Designed to extend the useful life of pH electrodes....

For refilling or replacing reference electrolyte for electrodes, compatible with all brand of electrodes (liquid electrolyte). Supplied in an easy to use thin nozzle HDPE dropper bottle. Designed to extend the useful life of pH electrodes....

Bridge electrode for reference electrodes as well as combined ISE electrodes of the 800 series for adaptation to the sample composition....

For sample preparation with pre-made ion strength adjuster solutions (ISA and TISAB) for the direct concentration determination with ion selective electrodes....

Osmolality Standards for calibration and control, compatible with all types of osmometers. Extensive range: 50 to 3000 mOsmol/kg H ₂O, ISO 17025 certified. Values from 100 to 700 mOsmol/kg H ₂O according to European Pharmacopoeia 2.2.35 and US Pharmacopeia 785. 12 ampoules of 5 ml each....

Colour coded. pH values at 25°C. Provided with label that gives the pH value at different temperatures. Supplied in 250ml containers. Tolerance ± 0.02 pH....

For calibration of pH measurement. Buffer solutions in the double-end ampoules offer a particularly high degree of reliability and measuring accuracy.

• Hot steam sterilised, very long shelf life
• Without preservatives
• With manufacturer certificate
• 20 ml ampoules with approx. 17 ml content

Without colour coding, hot steam sterilized. Stated pH values at 25 °C. Available in 250 ml containers. Shelf life approx. 2 years, accuracy ±0.02 pH....

pH 7. In a HDPE bottle....

Ready-to-use. pH 4, 7 and 9. pH values at 25 °C. Tolerance ± 0.02 pH....