Key Properties:

• Total hardness 1000 ppm expressed as CaCO₃ equivalent

• Contains 400 ppm Mg²⁺ and 600 ppm Ca²⁺

• Standardized and ready-to-use for calibration

• High purity and low impurity levels for analytical accuracy

• Compatible with AAS, ICP-OES, and titrimetric hardness determination

• Stable under normal laboratory storage conditions

Uses:

• Calibration of AAS and ICP instruments for water hardness analysis

• Preparation of working standards for hardness titrations

• Quality control in water treatment, environmental, and industrial labs

• Method validation and laboratory standardization

• Research involving calcium and magnesium quantification

Storage:

• Store at room temperature (15–30°C)

• Keep container tightly sealed

• Protect from contamination and strong acids

• Avoid exposure to heat and direct sunlight

Safety & Handling (SDS Summary):

• Generally low hazard

• May cause mild eye or skin irritation

• Avoid ingestion or inhalation

• Use gloves, goggles, and standard laboratory PPE

• Wash hands after handling

• In case of contact: rinse with plenty of water