Bộ Thử Nghiệm Tổng Độ Cứng Hanna Instruments HI3812

The HI3812 is a chemical test kit that measures total hardness as CaCO₃ by titration with EDTA. The HI3812 is supplied complete with all of the reagents and equipment necessary to perform approximately 100 tests.

• Pre-made reagents for ease of use
• All reagents marked with expiration date and lot number for traceability
• Manual titration performed with calmagite indicator