Product Name and Model

Measurable items

Testing Scope

JH900 multi parameter ion concentration analyzer

ozone

DPD method 0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.5-0.7-1

Special residual chlorine for tap water

DPD method 0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.5-0.7-1

Total Chlorine

DPD method 0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.5-0.7-1

Pool specific residual chlorine

DPD method 0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.5-0.7-1

residual chlorine

DPD method 0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.5-0.7-1

Total hardness LR

4mg/L-200mg/L (calculated as CaCO3)

EDTA titration

Total hardness HR

12mg/L-20mg/L (calculated as CaCO3)

EDTA titration

Soft water hardness

0.4mg/L-20mg/L (calculated as CaCO3)

EDTA titration

Pure water nitrite concentration

0.002mg/L

Diazonium coupling method

Chromium VI

0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.6-0.8-1

DPC method

ammonia nitrogen

0.01mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.6-0.8-1

Salicylic acid method

chloride ion

20mg/L-400mg/L

Silver nitrate titration method

Alkalinity LR

10mg/L-200mg/L (calculated as CaCO3)

acid-base titration

Alkalinity HR

100mg/L-2000mg/L (calculated as CaCO3)

acid-base titration

phosphate

0.03mg/L-0.5mg/L

0.03-0.06-0.1-0.15-0.2-0.3-0.4-0.5

Molybdenum antimony spectrophotometric method

arsenic

0.004mg/L-0.08mg/L

0.004-0.008-0.016-0.04-0.054-0.064-0.08

Arsenic spot method

Total Iron

0.05mg/L-1.0mg/L

0.05-0.1-0.2-0.3-0.4-0.6-0.8-1

Diazaphenanthrene spectrophotometric method

manganese

0.1mg/L-10.0mg/L

0.1-0.5-1-2-5-10

Potassium periodate oxidation method

sulfide

DPD method 0.02mg/L-0.8mg/L

0.02-0.05-0.1-0.2-0.4-0.5-0.6-0.8

Sulfite LR

1.0mg/L-20.0mg/L (calculated as sulfite)

Iodometric method

Sulfite HR

10.0mg/L-200.0mg/L (calculated as sulfite)

Iodometric method

copper

BCA法0.2 mg/L-5.0mg/L

0.2-0.4-1-2-3-5

nitrite

0.01mg/L-0.5mg/L

0.01-0.03-0.05-0.1-0.2-0.3-0.4-0.5

Diazonium coupling method

Chlorine dioxide

DPD method 0.05mg/L-2.0mg/L

0.05- 0.1-0.2-0.3-0.5-0.8-1.4-2

aluminium

0-0.20mg/L

0-0.01-0.02-0.04-0.06-0.1-0.2

Diazonium coupling method

silver

0-0.50mg/L

0-0.05-0.1-0.2-0.3-0.4-0.5

Chromazurol S method

铍

0-30µg/L

0-2-5-10-15-20-25-30

Iridium chromium cyanide blue R method

nickel

PAN method 0-0.40mg/L

0-0.05-0.1-0.2-0.3-0.4

fluorine

0 mg/L-1.5mg/L

0-0.1-0.2-0.3-0.5-0.7-1.0-1.5

Fluorine reagent method

cyanide

0.05mg/L-2.0mg/L

0.05-0.1-0.2-0.5-1-2

Silicon molybdenum yellow method

Formaldehyde in water

MBTH法 0 mg/L-1.5mg/L

0-0.05-0.1-0.2-0.4-0.6-0.9-1.5

Metasilicate

5mg/L-200mg/L

5-10-15-25-50-80-120-200

Silicon molybdenum yellow method