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By Application Laboratory Analytical Applications UV/VIS Applications UV Vis Water Testing

UV Vis Water Testing

Water Testing Applications for UV Vis Spectrophotometers

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Get Crystal Clear Results

With over 150 Water Testing Methods

Bring water quality testing to your lab in one convenient package with
UV Vis spectrophotometers and Spectroquant® test kits.

Spectroquant® water test kits are ready-to-use, eliminating time-consuming and costly preparation for chemistries and chemical reagents. METTLER TOLEDO’s UV Vis spectrophotometers deliver accurate and reliable measurement results with predefined and validated methods.

 

The Easy Water Testing Guide describes over 150 water testing methods with Spectroquant® test kits and their analytical test procedures.

EasyPlus UV/VIS Water Testing with Spectroquant

Broaden Your Application Possibilities

Easy Water Testing with EasyPlus UV/VIS

EasyPlus UV/VIS spectrophotometers are designed to serve your water testing demands by:

  • Saving space due to the compact design and many applications available within one instrument
  • Reducing time to result with a fast measurement time, the instrument is simple to operate and minimal training is required
  • Providing validated test methods which are easily unlocked by installing the SQKitReader™ accessory to the spectrophotometer 
  • Suiting your needs with more than 150 test kits available to suit any waste, process, drinking, and other industry-specific water applications
Automated Water Testing with UV VIs

Advanced Water Testing

Individual Methods and Automation with UV/VIS Excellence

Need to increase your sample throughput? With UV/VIS Excellence and automation options, your water testing workflow can be adapted according to your demand.

  • UV/VIS Excellence methods can be tailored to your unique requirements. Add custom calculations, nominal values and deviation limits, instructions, and more.
  • Using LabX laboratory software, methods don't just measure the sample but also compute the final results, avoiding transcription errors.
  • With automation options for UV/VIS Excellence, e.g., CuvetteChanger or InMotion™ Autosampler, your water testing workflow can be adapted according to your demand, sample size, and sample throughput.

Spectroquant® is a trademark of Merck KGaA, Darmstadt, Germany

Application Notes

Phosphate Content Determination - UV Vis Spectroscopy
This application describes how UV Vis spectroscopy can be used to determine the trace level, soluble form of phosphate in water. For more information...
Quantification of Iron in Drinking Water Using the Phenanthroline Method
Quantification of Iron in Drinking Water Using UV Vis Spectroscopy
This application note describes a method to determine iron (II) in drinking water using the phenanthroline method based on measuring absorbance at 510...
Determine the Color of Clear Solvents with UV Vis Spectroscopy
Color of Clear Solvents Using UV Vis Spectroscopy
This application note provides complete details of determining the color of clear solvents using UV Vis spectrophotometer as a quick check for its qua...
Determine Magnesium Content in Water with UV Vis Spectroscopy
Magnesium Content in Water Using UV Vis Spectroscopy
This page describes the method to measure the magnesium content of water with the help of a Merck Spectroquant® Test Kit 1.00815 using METTLER TOLEDO'...
Determine Boron Content in Water with UV Vis Spectroscopy
Boron Content in Water Using UV Vis Spectroscopy
This page describes the method to measure the boron content of water with the help of a Merck Spectroquant® Test Kit 1.00826 using METTLER TOLEDO's Ea...
Determination of Total Nitrogen Content in Water
Spectrophotometric Determination of Total Nitrogen Content in Water
This application note gives a solution to determine the total nitrogen in water using a Spectroquant® Merck cell test kit (1.14763) and UV Vis spectro...
Copper Content Determination in Water Using UV Vis Spectroscopy
Determination of Copper Content in Water Using UV Vis Spectroscopy
This application note provides a method for the quantitative determination of copper in water at 605 nm using UV Vis spectroscopy with Spectroquant® M...
Estimating Calcium Content in Water with UV Vis Spectroscopy
Determination of Calcium Content in Water Using UV Vis Spectroscopy
Calcium is a trace element needed by the body in the right quantity. This application note provides a simple solution to determine the precise calcium...
Formazin Turbidity of Water and Wine Using UV Vis
Formazin turbidity using UV Vis Spectrophotometry
M9116/ This application note gives the method to check formazin turbidity of water and wine using a UV Vis spectrophotometer.
Nitrite Content in Water Using UV Vis Spectroscopy
Determination of Nitrite in Water Using UV Vis Spectrophotometer
This application note provides a method for the determination of nitrite in water using UV Vis spectroscopy, where a red-violet azo dye is formed from...
Determine Fluoride in Water and Dental Supplements
Fluoride in Water & Dental Products
This application note provides complete solution for determining the fluoride content in water and dental products by performing UV Vis analysis of Al...

Method Compliance

USEPA Documentation for Spectroquant® Test Kits

Documents for Safe Drinking and Clean Water Act

The manufacturer of Spectroquant® test kits - Merck KGaA, Darmstadt, supports the testing needs of environmental labs for both Clean Water Act and Safe Drinking Water Act testing. The list of the test kits and the parameters with USEPA approvals/equivalence documents can be found below. For availability info, please check with your local test kits vendor.

For the latest information, please check www.sigmaaldrich.com/usepa

Ammonium

Test Kit No.

Spectroquant® Test kits

Measuring ranges

 

 

 

114558

Ammonium Cell Test

0.20 – 8.00 mg/L NH4‐N

0.26 – 10.30 mg/L NH4+

0.20 – 8.00 mg/L NH3‐N

0.26 – 9.73 mg/L NH3

114544

Ammonium Cell Test

0.5 – 16.0 mg/L NH4‐N

0.6 – 20.6 mg/L NH4+

0.5 – 16.0 mg/L NH3‐N

0.6 – 19.5 mg/L NH3

114559

Ammonium Cell Test

4.0 – 80.0 mg/L NH4‐N

5.2 – 103.0 mg/L NH4+

4.0 – 80.0 mg/L NH3‐N

5.2 – 97.3 mg/L NH3

114752

Ammonium Test

0.010 – 3.00 mg/L NH4‐N

0.013 – 3.86 mg/L NH4+

0.010 – 3.00 mg/L NH3‐N

0.013 – 3.65 mg/L NH3

100683

Ammonium Test

2.0 – 150 mg/L NH4‐N

2.6 – 193 mg/L NH4+

2.0 – 150 mg/L NH3‐N

2.6 – 182 mg/L NH3

Chlorine

Test Kit No.

Spectroquant® Test kits

Measuring ranges

100595

Chlorine Cell Test (free chlorine)

0.03 ‐ 6.00 mg/l Cl2

100598

Chlorine Test (free chlorine)

0.010 ‐ 6.00  mg/l Cl2

100602

Chlorine Test (total chlorine)

0.010 ‐ 6.00  mg/l Cl2

100597

Chlorine Cell Test (free and total chlorine)

0.03 ‐ 6.00 mg/l Cl2

100599

Chlorine Test for (free and total chlorine)

0.010 ‐ 6.00  mg/l Cl2

Chromate / Chromium VI

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114552

Chromate Cell Test (Chromium VI)

0.05 ‐ 2.0 mg/l Cr

COD

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114560

COD Cell Test

4.0 ‐ 40.0 mg/l COD

101796

COD Cell Test

5.0 – 80.0 mg/l COD

114540

COD Cell Test

10 ‐ 150 mg/l COD

114895

COD Cell Test

15 ‐ 300 mg/l COD

114541

COD Cell Test

25 ‐ 1,500 mg/l COD

114691

COD Cell Test

300 ‐ 3,500 mg/l COD

114555

COD Cell Test

500 ‐ 10,000 mg/l COD

101797

COD Cell Test

5,000 – 90,000 mg/l COD

Cyanide

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114561

Cyanide Cell Test (free cyanide)*

0.010 ‐ 0.500 mg/l CN‐

*This test kit is not available in the US and Canada because of import restrictions.

Nitrate

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114542

Nitrate Cell Test

0.5‐18.0 mg/L NO3‐N2.
2 – 79.7 mg/L NO3

114563

Nitrate Cell Test

0.5 ‐ 25.0 mg/L NO3‐N
2.2 – 110.7 mg/L NO3

114764

Nitrate Cell Test

1.0   ‐ 50.0 mg/L NO3‐N
2.0  4 – 221 mg/L NO3

100614

Nitrate Cell Test

23‐225 mg/L NO3‐N
102 – 996 mg/L NO3

109713

Nitrate Test

0.10‐25.0 mg/L NO3‐N
0.4 – 110.7 mg/L NO3

114773

Nitrate Test

0.2‐20.0 mg/L NO3‐N
0.89 – 88.5 mg/L NO3

101842

Nitrate Test

0.3‐30.0 mg/L NO3‐N
1.3 – 132.8 mg/L NO

114556

Nitrate Cell Test in seawater

0.10‐3.00 mg/L NO3‐N
0.4 – 13.3 mg/L NO3

114942

Nitrate Test in seawater

0.2‐17.0 mg/L NO3‐N
0.9 – 75.3 mg/L NO3

Nitrite

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114547

Nitrite Cell Test

0.010 – 0.700 mg/L NO2‐N

0.03 – 2.30 mg/L NO2

100609

Nitrite Cell Test

1.0 – 90.0 mg/L NO2‐N
3.0 – 295.2 mg/L NO2

114776

Nitrite Test

0.002 – 1.00 mg/L NO2‐N

0.007 – 3.28 mg/L NO2

Phosphate

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114543

Phosphate Cell Test (Orthophosphate and Total Phosphorous)

0.05‐5.00 mg/L PO4‐P

0.2‐15.3 mg/L PO4

114729

Phosphate Cell Test (Orthophosphate and Total Phosphorous

0.5‐25.0 mg/L PO4‐P

1.5‐76.7 mg/L PO4

Sulfate

Test Kit No.

Spectroquant® Test kits

Measuring ranges

114548

Sulfate Cell Test

5‐250 mg/L SO4

114564

Sulfate Cell Test

100‐1,000 mg/L SO4

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