Fluoride Ion Electrode (Combination ISE) 6561S-10C

Fluoride ion electrode (combination) 6561S-10C

Applications:

Dental / toothpaste / mouthwash
Drinking / seawater
Wastewater
Air / stack gases
Acids
Soils
Food
Biological fluids
Plant tissue
Coal
Carbonated beverages
Bone

Segment: Scientific

Division: Water Quality

Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

Accessories Include:

1 fluoride electrode tip
1 1000 mg/L fluoride ion standard solution (50 ml)
1 100 mg/L fluoride ion standard solution (50 ml)
1 fluoride electrode filling solution (50 ml)
1 fluoride ionic strength adjustor (50 ml)
1 dropper
1 protective pipe
1 manual

Accessories and Solutions
7661S	Fluoride Ion Electrode Tip
500-F-IFS	Fluoride Ion Electrode Filling Solution (500ml)
500-F-SL	100 mg/L Fluoride Ion Standard Solution (500ml)
500-F-SH	1000 mg/L Fluoride Ion Standard Solution (500ml)
500-F-TISAB	Fluoride Ionic Strength Adjustor (500ml)

Model	6561S-10C
Measurement Range	0.02 - 19,000 mg/L F^-
Temperature Range	0 - 50 ºC
pH Range	pH 5 - 8 (0.1 - 1000 mg/L F^-)
Accuracy	± 2%
Internal Electrode	Ag/AgCl
Internal Solution	3.3 mol/L KCl
Liquid Junction	Movable sleeve
Connector & Cable Length	BNC, 1m
Length	150mm
Diameter	16.5mm
Wetted Part Materials	LaF₃, PSU
Slope	-53 to-62 mV/decade
Selection Coefficient	Possible interference when multiply-charged ion (e.g., Al³⁺, Fe³⁺) coexisted and foamed the complex

6561S-10C Combination Fluoride Electrode Instruction Manual

[APAC] LAQUA Electrodes & Accessories Brochure 2025

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Product accessories

100 mg/L Fluoride Ion Standard Solution

100 mg/L Fluoride Ion Standard Solution

1000 mg/L Fluoride Ion Standard Solution

1000 mg/L Fluoride Ion Standard Solution

Fluoride Electrode Filling Solution

Fluoride Electrode Filling Solution

Fluoride Ion Electrode Tip 7661S

Fluoride Ion Electrode Tip 7661S

Fluoride Ionic Strength Adjustor

Fluoride Ionic Strength Adjustor

Internal Solution for Reference Electrode Type 300

Internal Solution for Reference Electrode Type 300