Pure and ultra-pure water

Water is required in chemical, biological and analytical laboratories for many applications and with different specifications. In the Th. Geyer online shop you will find the right equipment to produce the right water for your application: double distilled, deionised, ultra pure, for chromatography, for microbiology, for analysis or for trace analysis. We carry equipment from well-known suppliers such as ELGA LabWater, stakpure, Sartorius and Millipore, which are equipped with different technologies like reverse osmosis, EDI, ion exchange, UV and various filters. In addition, all needed accessories and consumables are available for these.

Filter

 pH buffer solutions in a twin neck bottle with colour coding (20 °C)

CHEMSOLUTE®

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
...

 pH buffer solutions with colour coding (20 °C)

CHEMSOLUTE®

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
...

 pH buffer solutions without colour coding (20 °C)

CHEMSOLUTE®

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 standard reference material of the National Institute of Standards and Technology (NIST)
  • In PP bottles (500 ml & 1000 ml) or polytainers (5000 ml)
...

 pH buffer solutions in a twin neck bottle without colour coding (25 °C)

CHEMSOLUTE®

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
...

 Electrode cleaning solutions

CHEMSOLUTE®
GHS05 GHS07 GHS08

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
...

 Electrode filling solutions

CHEMSOLUTE®

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)
...

 PBS Buffer - Ready-to-use tablets and bags

BIOSOLUTE®
greenlab

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
...

 pH calibration kit (20 °C)

CHEMSOLUTE®

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 standard reference material of the National Institute of Standards and Technology (NIST)
  • In PP tubes (30 ml)
...

 pH buffer solutions without colour coding (25 °C)

CHEMSOLUTE®

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
...

 pH buffer solutions with colour coding (25 °C)

CHEMSOLUTE®

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
...

 Technical pH buffer solutions in a twin neck bottle with colour coding (25 °C)

CHEMSOLUTE®

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 standard reference material of the National Institute of Standards and Technology (NIST)
  • Easily identifiable due to colour coded buffer solutions
  • Free from borates or other dangerous substances
...

 pH buffer solutions in sealed-edge pouch with colour coding (25 °C)

CHEMSOLUTE®

  • 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
...

Buffer solution pH 10.00 borax free (±0.02/20 °C, traceable to SRM from NIST)

CHEMSOLUTE®

PO number Package size Price per package    
6520-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart

Potassium phosphate pH 5.8 Dissolution media concentrate (dilute to 10 l) compliant to Ph.Eur. & USP

CHEMSOLUTE®

PO number Package size Price per package    

1

3048-384ML

This product of our assortment corresponds with your search.

384 ml Login / Register here
shopping_cart

Potassium phosphate pH 7.2 Dissolution media concentrate (dilute to 10 l) compliant to Ph.Eur. & USP

CHEMSOLUTE®

GHS05
PO number Package size Price per package    
3063-384ML

This product of our assortment corresponds with your search.

384 ml Login / Register here
shopping_cart

Potassium phosphate pH 7.5 (±0.02/25°C) Dissolution media, RTU compliant to Ph.Eur. & USP

CHEMSOLUTE®

PO number Package size Price per package    

1

3060-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart

Buffer solution pH 9.00 borax free (±0.02/20 °C, traceable to SRM from NIST)

CHEMSOLUTE®

PO number Package size Price per package    
6519-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart

Potassium phosphate pH 7.2 (±0.02/25°C) Dissolution media, RTU compliant to Ph.Eur. & USP

CHEMSOLUTE®

PO number Package size Price per package    

1

3055-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart

Washing buffer according to Michel

CHEMSOLUTE®

PO number Package size Price per package    
466-100ML

This product of our assortment corresponds with your search.

Minimum order quantity 6 packs or a multiple!
100 ml Login / Register here
shopping_cart

Dissolution media, RTU Simulated gastric fluid without enzyme compliant to Ph.Eur. & USP

CHEMSOLUTE®

PO number Package size Price per package    

1

3080-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart

Potassium phosphate pH 6.8 (±0.02/25°C) Dissolution media, RTU compliant to Ph.Eur. & USP

CHEMSOLUTE®

PO number Package size Price per package    

1

3050-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart

Potassium phosphate pH 7.5 Dissolution media concentrate (dilute to 10 l) compliant to Ph.Eur. & USP

CHEMSOLUTE®

GHS05
PO number Package size Price per package    
3068-384ML

This product of our assortment corresponds with your search.

384 ml Login / Register here
shopping_cart

Buffer solution pH 3.00 (±0.02/20 °C) (traceable to SRM from NIST)

CHEMSOLUTE®

PO number Package size Price per package    

1

1113-1L

This product of our assortment corresponds with your search.

1 l Login / Register here
shopping_cart
1113-10L-BIB

This product of our assortment corresponds with your search.

BiB Login / Register here
shopping_cart

Phosphate buffer pH 6.8 Dissolution media concentrate (dilute to 10 l) compliant to JP

CHEMSOLUTE®

PO number Package size Price per package    

1

3043-500ML

This product of our assortment corresponds with your search.

500 ml Login / Register here
shopping_cart

Potassium phosphate pH 6.8 Dissolution media concentrate (dilute to 10 l) compliant to Ph.Eur. & USP

CHEMSOLUTE®

GHS05
PO number Package size Price per package    

1

3058-384ML

This product of our assortment corresponds with your search.

384 ml Login / Register here
shopping_cart

Add to shopping cart