We buy, trade-in or sell on your behalf your unwanted lab equipment

Be free of your unwanted laboratory assets and make space in your lab!

For more than 10 years KRSS has been purchasing, trading and selling instruments on behalf of our customers.

KRSS are always looking to acquire used leading manufacturers equipment including Agilent, Thermo, Waters, AB Sciex, Shimadzu and Perkin Elmer.

If you have old or unused lab equipment in your laboratory that you are looking to sell, trade or advertise, contact KRSS and see how we can help you.

  • Overview
  • FAQ
  • Why
  • Wanted
  • Quote


Trade-in and save
Trade-in your old instruments for discounts on your next purchase or for consumables.

It pays to trade in your old or unused lab instrument with KRSS. We can accept most working and non-working analytical lab instruments. After a brief appraisal, the value of the eligible instrument can be applied to your next purchase or exchanged for consumables.

Reduce, Reuse, Recycle.
KRSS is committed to preserving our environment by reducing, reusing, and recycling equipment. We refurbishing all leading manufacturers lab instruments and returning them to OEM standards.

We sell on your behalf
Get more for your unwanted instruments by advertising & selling your Mass Spec instruments through KRSS. By working with KRSS you will be able to offer buyers collection, delivery, installation, warranty, service contract as well as a trade-in which will attract higher offers.

Step 1 - Get a valuation
Contact our team for a free valuation of your instrumentation.

Step 2 - Send to over 40,000 names
We have a large database across Europe. Once a value has been agreed we will market your instrument with 10 days.

Step 3 - Sell your instrument
Simple, straight forward and hassle-free. Once the sale is complete we will transfer the money to your account.


Does the instrument need to be working?

No. Our service technicians repair and refurbish all the instruments we sell. If the instrument cannot be refurbished, we will ensure the products are responsibly recycled.

What instruments are eligible for Trade-in?
We accept most leading manufacturers analytical instruments including as GC, MS, LC, ICP, AA and Accessories

How do I know if my instrument qualifies for trade-in?
Before an instrument can be eligible for trade, we require pictures of the instrument, a description of the instrument and its components, the date the instrument was last serviced including any reports.

Why choose KRSS?

Why choose KRSS independent service

KRSS Ltd is a UK based independent mass spectrometer and chromatography service organisation. Our expertise in the LCMS Service, GCMS Service, HPLC Service, GC Service and MS equipment has allowed us to lead the way in developing customer focussed support packages. KRSS customises each contract to meet the needs of the individual customer. We put together service packages which maximise the benefit to our customers, whilst giving due consideration to costs.


WANTED: GC, HPLC, MS, GC/MS, LC/MS, ICP/MS, TOF Systems & Gas Generators including Mass Spectrometry:
  • Thermo Triple Quads
  • AB Sciex Triple Quads inc. 4500/5500 API 3200 & 4000 QTRAP MS/MS
  • Agilent 5973 & GC/MSD systems
  • Agilent 1100 MSD systems
  • Varian 1200/320
  • Maldi TOF inc AB Sciex Voyager DE/Pro & Shimadzu Axima
  • Waters/Micromass Single & Triple Quads
Liquid Chromatography:
  • Agilent 1100, 1200 HPLC systems
  • Agilent 1260, 1290 UHPLC systems
  • Waters ACQUITY UPLC systems
  • Waters Nano ACQUITY UPLC systems
  • Shimadzu HPLC systems
  • Dionex Ion Chromatography systems
  • Jasco, PE, Gilson and Hitachi systems
Gas Chromatography:
  • Agilent 6890 GC systems
  • Agilent 7890 GC systems
  • Agilent 7673 & 7683 autosamplers
  • Agilent 7694 & G1888 headspaces
  • Varian Archon Purge and Traps
  • CTC CombiPAL Autosamplers
Gas Generators:
  • PEAK
  • Parker/DH


KRSS Left Strip