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Minikit Lovibond

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TRANG CHỦ Sản phẩm Lovibond-Water Minikit


Quick, simple tests for the analysis of boiler water, cooling water, drinking and industrial water. Using tablet reagents with long-term stability.

 

Highlights

• Easy operation and exact reagent dosing

• High accuracy

• Unrestricted shipment and safe storage

• Foil-wrapped Lovibond tablet reagents with a minimum guaranteed shelf life of 5 years

 

 

The methods

The Minikits are designed for rapid water testing. Most Minikits are based on titrimetric methods.

 

Yes/No test

A Yes/No test tells the user whether a specific ingredient is present in the water and/or if its concentration is higher or lower than a defined level.

 

Tablet count method

In the tablet count method, the liquid titration solution and indicator are replaced by Lovibond tablet reagents. A specific number of tablets is added to a defined sample
volume until a chemically induced colour change takes place.

The concentration of the parameter being measured is calculated from the number of tablets required. The measuring range can be expanded by varying the sample volume.

 

Speed test

The speed test is based on reverse titration. After adding a reagent tablet to a calibrated test tube, the water sample is added slowly until the colour of the solution changes (e.g. from red to blue). The user can then obtain the result from the liquid level.

 

Turbidity method

A two-section calibrated test tube is filled with the water sample and a reagent tablet added. The reagent creates a level of turbidity that is proportional to the concentration of the parameter being measured. The inner tube, which has a black dot on its base, is lowered until the dot is obscured by the turbidity. The result is read off from the water level in the inner tube.

 

 

 

PRODUCTS


 

Analysis Type          Range Method           Order code
Alkalinity-M AF 444 20 - 800 mg/l CaCO= 0.4 - 16 mmol/l Speed Test 41 44 40
Alkalinity Caustic/P AF 415 20 - 500 mg/l CaCO Tablet Count 41 41 50
Alkalinity-P AF 414 20 - 500 mg/l CaCO Tablet Count 41 41 40
Alkalinity-M AF 413 10 - 500 mg/l CaCO= 0.1 - 5 mmol/l Tablet Count 41 41 30
Calcium Hardness AF 446 20 - 800 mg/l CaCO= 0.4 - 16 mmol/l Speed Test 41 44 60
Calcium Hardness AF 416 10 - 500 mg/l CaCO= 0.1 - 5 mmol/l Tablet Count 41 41 60
Chloride AF 418 5 - 5000 mg/l Cl Tablet Count 41 41 80
Cleaning Acid Strength AF 410  0.75 - 10 % acid Tablet Count 41 41 00
Cyanuric Acid AF  422 20 - 200 mg/l Cyanuric Acid Turbidity 41 42 20
Hardness Total (very low range) AF 426 1 - 10 mg/l CaCO= 0.01 - 0.1 mmol/l Tablet Count 41 42 60
Hardness Total (low range) AF 425  1 - 50 mg/l CaCO= 0.01 - 0.5 mmol/l Tablet Count 41 42 50
Hardness Total (Yes/No) AF 423

Limit 4 mg/l, 8 mg/l or 20 mg/l CaCO3

= 0.04 or 0.08 or 0.2 mmol/l

Yes/No 41 42 30
Hardness Total  AF 445 20 - 800 mg/l CaCO= 0.4 - 16 mmol/l Speed Test 41 44 50
Hardness Total  AF 424 5 - 500 mg/l CaCO= 0.05 - 5 mmol/l Tablet Count 41 42 40
Nitrite AF 427 70 - 1500 mg/l NaNO2 Tablet Count 41 42 70
Organo-Phosphate  AF 411 1 - 20 mg/l active O-P Tablet Count 41 41 10
QAC (Quaternary Ammonium Comp.) AF 417 0 - 500 mg/l active QAC  Tablet Count 41 41 70
    Limit 200 mg/l (Yes/No) Yes/No 41 41 70
Sulphate (low range) AF 432  20 - 200 mg/l Na2SO4 Tablet Count 41 43 20
Sulphate AF 431 40 - 200 mg/l SO(40 - 4000 mg/l by dilution) Turbidity 41 43 10
Sulphite (low range) AF 434 2 - 50 mg/l Na2SO3 Tablet Count 41 43 40
Sulphite (high range) AF 435 20 - 500 mg/l Na2SO3 Tablet Count 41 43 50
Tannin Index AF 436 2 - 20 units Tablet Count 41 43 60
         

 

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