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 |
BR 5191 
US 4402 
MY 2444 
CN 1858 
IN 1330 
SG 823 
VN 770 
GB 575 
