With high-technology and a team of experienced professionals, we offer specialized chemical testing services, including:
1. Heavy Metal Element Analysis – Detect and quantify trace amounts of heavy metals in various samples, ensuring compliance with safety and regulatory standards.
2. Stability Testing – Evaluate the stability of your products under different conditions to ensure consistency, reliability, and performance over time.
Methods & Techniques
APHA method, Merck Method & HACH Method
Product Categories
Wastewater from Industry such as: food, semiconductor, palm oil mill, textile, oil & gas
Parameters
| Parameter |
UOM |
Method of Test |
| pH @ 25oC |
- |
APHA 4500-H+ B |
| Conductivity |
μS/cm |
APHA 2510 B |
| Alkalinity |
mg CaCO3/L |
APHA 2320 B |
| Hardness |
mg CaCO3/L |
APHA 2340 C |
| Chloride as Cl- |
mg Cl-/L |
APHA 4500-Cl- B |
| Iron as Fe |
mg/L |
Merck Method 114761 |
| Bacterial Count |
Bacterial/ml |
Merck Method 100778 |
| Organo-phosphonate |
mg/L |
Lovibond Method AF 411 |
| Zinc as Zn |
mg/L |
Hach Method 8009 |
| Phosphate as PO43- |
mg/L |
Hach Method 8048 |
| Nitrite as NO2 |
mg/L |
Merck Method 114776 |
| Copper as Cu |
mg/L |
Hach Method 8506 |
| Calcium hardness |
mg CaCO3/L |
APHA 3500-Ca B |
| Free Chlorine |
mg/L Cl2 |
Hach Method 8021 |
| Total Nitrogen |
mg/L as N |
Merck Method 114763 |
| Total Phosphorus |
mg/L as P |
Merck Method 114729 |
| Nitrogen, Ammonia |
mg/L |
Hach Method 8155 |
| Chemical Oxygen Demand, COD |
mg/L |
Merck Method 114540,114541,114555 |
| Biological Oxygen Demand, BOD5 |
mg/L |
HACH 8043 |
| Total Suspended Solid |
mg/L |
APHA 2540 D |
| Turbidity |
NTU |
APHA 2130 B |
| Fluoride as F |
mg/L |
HACH 110225 |
| Aluminum |
mg/L |
Merck Method 114825 |
| Oil & Grease |
mg/L |
APHA 5520 D |
| Oil & Grease |
% |
APHA 5520 E |
| Nickel |
mg/L |
Merck Method 114785 |
| Manganese |
mg/L |
Hach Method 8149 |
| Sulphate as SO4 |
mg/L |
Hach Method 8051 |
| Sulphite as SO3 |
mg/L |
APHA 4500-S |
| Colour |
ADMI |
Merck Method 2517, 2518 |
| Viscosity |
cps |
Viscosity meter |
| Solid Content |
% |
EPA Method 1684 |
| Specific Gravity |
g/cm3 |
Manufacturer Method SG bottle |
| Dissolve Oxygen |
mg/L |
YSI ProODO meter |
| Oxygen Uptake Rate |
mg O2/ L. h |
EPA Method 1683 |
| Specific Oxygen Uptake Rate |
(mg O2/g)/h |
EPA Method 1683 |
| Total Dissolve solid |
mg/L |
SevenEasy Conductivity, Model: S30 |
| Moisture Content |
% |
EPA Method 1684 |
| Boron |
mg/L |
Hach Method 10252 |
| Silica |
mg/L |
Merck Method 114785 |
| Cationic Charge |
mol % |
Manufacturer Method |
| Volatile Fatty Acid |
mg/L |
APHA 5560 C |
Malaysia
