Central Analytical Services Laboratory

The Central Analytical Services Laboratory (CASL) handles routine chemical analyses for food and feeds, plants, fertilizers and soils, water and wastewater, and biotechnology research products. CASL also tests, modifies, and standardizes analytical methods and develops new analytical techniques. It is a recognized laboratory of various government regulatory agencies. It is currently ISO 17025:2017 accredited, and was the first ISO 17025:2005 accredited chemical testing laboratory in UPLB. The CASL accepts requests for analytical services from various institutions within and outside UPLB. The CASL provides public services for the following chemical testing parameters:

CASL Services and Indicative Rates

Proximate Analysis (Complete)

Name of Test or ProcedureSample SizeFee
Sample Preparation (drying/grinding)250-500g (fresh)Php520
Moisture10g / 250-500mLPhp321
Ash10g / 250-500mLPhp387
Crude Fat (Soxtec)5gPhp847
Crude Fiber5gPhp847
Crude Protein5g /10mLPhp629

Sugar Analysis

Name of Test or ProcedureSample SizeFee
Sugar ExtractionPhp520
Reducing Sugars (DNS Method)5g / 10mLPhp726
Total Sugars (Phenol-Sulfuric Method)5g / 10mLPhp726

Mineral Analysis

Name of Test or ProcedureSample SizeFee
Sample Preparation at 550°C20g / 250-500mLPhp520
Total Phosphorus (Colorimetric)20g / 250-500mLPhp593
Minerals: Ca, Mg, Na, K, Mn (AAS)20g / 250-500mLPhp653 per mineral/metal/nutrient
Sample Preparation at 450°C50g / 250-500mLPhp520
Minerals/Heavy Metals:
Cu, Fe, Zn, Cr, Ni, Co, Pb, Cd (AAS)
50g / 250-500mLPhp653 per mineral/metal/nutrient
Titratable Acidity20g / 50-100mLPhp330
% Salt (as NaCl)10gPhp690

Fats and Oil

Name of Test or ProcedureSample SizeFee
Specific Gravity75mLPhp266
Saponification Number10g / 10mLPhp726
Peroxide Value20g / 20mLPhp605
Free Fatty Acid50g / 50mLPhp520
Free Fatty Acid Profile (GC)5g / 5mLPhp3957

 

Gas Chromatographic Analysis

Sample PreparationSample SizeFee
Ethanol10mLPhp454
Methanol10mLPhp968

 

 

Sample PreparationSample SizeFee
Moisture5-10gPhp321
Ash5-10gPhp387
Extractives30-50gPhp2420
Holocellulose4gPhp1815
Hemicellulose and/or α-Cellulose4gPhp2420
Acid Soluble Lignin2gPhp1310
Acid Insoluble Lignin2gPhp1310
Sample PreparationSample SizeFee
Sample Preparation (Homogenization)Php121
Moisture10gPhp333
pH (in water)20gPhp121
Total Kjeldahl Nitrogen20gPhp629
Sample Preparation (Extraction)20gPhp520
Exchangeable Cations
:Ca, Mg, Na, K (AAS)
20gPhp653 per mineral/metal/nutrient
Micronutrients:
Fe, Cu, Mn, Zn (AAS)
20gPhp653 per mineral/metal/nutrient
Sample PreparationSample SizeFee
Nitrogen (N)5g / 1-2mLPhp629
Sample Preparation at 550°C20g / 250-500mLPhp520
Phosphorus (P)20g /250-50Php593
Potassium (K)20g /250-50Php653
Minerals:
Ca, Mg, Na, K, Mn (AAS)
20g / 250-500mLPhp653 per mineral/metal/nutrient
Sample Preparation at 450°C50g / 250-500mLPhp520
Minerals/Heavy Metals:
Cu, Fe, Zn, Cr, Ni, Co, Pb, Cd (AAS)
50g / 250-500mLPhp653 per mineral/metal/nutrient
Name of test or ProcedureSample SizeFee
pH50mLPhp121
Absorbance50mLPhp176
Color50mLPhp908
Conductivity50mLPhp145
COD50mLPhp1755
BOD200mL (heavy colored) / 4L (clear)Php1755
Total Solids1LPhp545
TSS250mLPhp545
Oil and Grease2.5L (in glass bottle)Php859
Ammonium-N50mLPhp871
Nitrate-N50mLPhp653
Orthophosphates100mLPhp653
Total P100mLPhp1162
Hardness100mLPhp629
Alkalinity100mLPhp472
Acidity50mLPhp472
Turbidity50mLPhp145
Chlorides250mLPhp799
Sample Preparation2LPhp666
Minerals/Heavy Metals:
Ca, Mg, Na, K
2LPhp653 per mineral/metal/nutrient
Minerals/Heavy Metals:
Mn, Cu, Fe, Zn, Pb, Cd (AAS)
2LPhp653 per mineral/metal/nutrient
No data was found
Jeffrey P. Tamayo, PhD
University Researcher II
Lorenzo M. Fabro, Jr., MSc
University Researcher II
Resie L. Valderrama
Laboratory Technician III
Ma. Xenia B. Sapin
Laboratory Technician III