Laboratory Services

Water Quality Testing Parameters
Test Code Parameter Analytical Method/Instrument Brand name Price/LKR/sample*
WQ-1pHpH Electrode/Bench-top pH meter, Hanna100
WQ-2pH/Electrical Conductivity/Salinity/Oxidation Reduction Potential/Total Dissolved Solids/TurbidityMulti-parameter probes/ Multiparameter, Hanna100/parameter
WQ-3Phosphate-Phosphorus (Low-Range)Ascorbic acid method/ Phosphate photometer, YSI600
WQ-4Total PhosphorusAscorbic acid method/ Spectrophotometer, Thermo Fisher600
WQ-5Ammonium-NitrogenAmmonium probe/ Multiparameter, Hanna300
WQ-6Nitrite-NitrogenColorimetric method/ Spectrophotometer, Thermo Fisher500
WQ-7Nitrate-NitrogenNitrate probe/ Multiparameter, Hanna300
WQ-8Nitrate-NitrogenColorimetric method/ Spectrophotometer, Thermo Fisher700
WQ-9Total-NitrogenColorimetric method/ Spectrophotometer, Thermo Fisher1000
WQ-10Kjeldahl-NitrogenTotal Kjeldahl nitrogen/Kjeldahl method600
WQ-11Total ChlorophyllChlorophyll Sensor/TAL-PC sensor, YSI400
WQ-12Total ChlorophyllAcetone method/ Spectrophotometer, Thermo Fisher500
WQ-13Total CarotenoidsAcetone method/ Spectrophotometer, Thermo Fisher500
WQ-14PhycocyaninPhycocyanin Sensor/TAL-PC sensor, YSI400

* Concession for postgraduate students of University of Ruhuna: 20% of the total cost

Soil Tests
Test Code Parameter Analytical Method/Instrument Price/LKR/sample*
SA-1 pH pH electrode/Hanna 100
SA-2 pH/Electrical Conductivity/Salinity/Oxidation Reduction Potential Multi-parameter probes/ Multiparameter, Hanna 100/per parameter
SA-3 Total Phosphorus Ascorbic acid method Spectrophotometer, Thermo Fisher 700
SA-4 Nitrite-Nitrogen Colorimetric method Spectrophotometer, Thermo Fisher 700
SA-5 Nitrate-Nitrogen Nitrate probe/ Multiparameter, Hanna 300
SA-6 Nitrate-Nitrogen Colorimetric method/ Spectrophotometer, Thermo Fisher 700
SA-7 Total-Nitrogen Colorimetric method/ Spectrophotometer, Thermo Fisher 1000
SA-8 Total Kjeldahl-Nitrogen Kjeldahl method 1500

* Concession for postgraduate students of University of Ruhuna: 20% of the total cost

Microbiological Tests
Test Code Test Analytical Method Price/LKR/sample*
MB-1Total coliformPresumptive coliform test/MPN method1500
MB-2Fecal coliformPresumptive coliform test/MPN method1500
MB-3Escherichia coli confirmation testPresumptive coliform test/MPN method/Biochemical tests/Gram’s staining4000
MB-4Standard Plate CountSerial dilution/Pour-plate method/CFU calculation5000
MB-5Gram’s stainingGram’s Staining700
MB-6Carbohydrate Fermentation TestQualitative test/ Bergey’s Manual3000
MB-7Indole TestQualitative test/ Bergey’s Manual1500
MB-8Methyl Red TestQualitative test/ Bergey’s Manual1500
MB-9VP TestQualitative test/ Bergey’s Manual1500
MB-10Citrate TestQualitative test/ Bergey’s Manual2000
MB-11Oxidation/Fermentation TestQualitative test/ Bergey’s Manual4000
MB-12Nitrate Reduction TestQualitative test/ Bergey’s Manual4000
MB-13Urease TestQualitative test/ Bergey’s Manual1500
MB-14Arginine TestQualitative test/ Bergey’s Manual2000
MB-15Catalase TestQualitative test/ Bergey’s Manual1000
MB-16Indole Acetic AcidSalkowski/Spectrophotometer4000
MB-17Antibiotic Sensitivity Test
[selected antibiotics only]
Qualitative test/ Kirby-Bauer method3000

* Concession for postgraduate students of University of Ruhuna: 10% of the total cost

Molecular Biological Tests
Test Code Test Method Price/LKR/sample*
ML-1 Bacterial 16S rRNA gene amplification
  • Culture establishment – 2500 LKR
  • DNA extraction – 2500 LKR
  • PCR and gel electrophoresis – 5000 LKR
Modified phenol-chloroform DNA extraction/PCR with universal primers 10,000
ML-2 Fungal ITS region amplification
  • Culture establishment – 4000 LKR
  • DNA extraction – 6000 LKR
  • PCR and gel electrophoresis – 5000 LKR
Modified phenol-chloroform DNA extraction/PCR with universal primers 15,000
ML-3 PCR Product Purification Commercial kit 5000

* Concession for postgraduate students of University of Ruhuna: 10% of the total cost

Toxin Detection Tests
Test Code Test Analytical Method Price/LKR*#
TB-1 Quantification of Microcystin ELISA 30,000a
TB-2 Quantification of Cylindrospermopsin ELISA 30,000a
TB-3 Quantification of Aflatoxin ELISA 50,000b

* Concession for postgraduate students of University of Ruhuna: 10% of the total cost
# Minimum number of samples to conduct the test is 5 samples
a For each additional sample, 6000 LKR will be charged.
b For each additional sample, 9000 LKR will be charged.

Pure Cultures
Culture Code Type of Culture Price/LKR/culture
PC-1 Bacteria [From available cultures in the collection] 1000
PC-2 Cyanobacteria and microalgae [From available cultures in the collection] 5000
PC-3 Fungi [From available cultures in the collection] 4000

* Concession for postgraduate students of University of Ruhuna: 20% of the total cost

FT-IR Analysis
Test Code Analytical Method Price/LKR/sample
Undergraduate (FoS/UOR) Undergraduate (other faculties/UOR) Postgraduate (UOR) Other
FT-1 ATR mode Free 500 800 1500

Sample Storage (when required)


  1. More than 5 days at room temperature/refrigeration – Rs. 100 per day will be charged
  2. More than 5 days at ultra-low temperature – Rs. 200 per day will be charged
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