MilliporeSigma
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1.09161

Supelco

Ferroin indicator solution

for waste water analysis

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Quality Level

form

liquid

pH

4-7 (20 °C in H2O)

density

1.01 g/cm3 at 20 °C

storage temp.

15-25°C

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This Item
F05181.091931.09175
vibrant-m

1.09161

Ferroin indicator solution

vibrant-m

F0518

Ferrous sulfate chelate solution

vibrant-m

1.09193

Ferroin solution

form

liquid

form

solution

form

liquid

form

liquid

Quality Level

200

Quality Level

400

Quality Level

200

Quality Level

200

density

1.01 g/cm3 at 20 °C

density

-

density

1.01 g/cm3 at 20 °C

density

0.89 g/cm3 at 20 °C

pH

4-7 (20 °C in H2O)

pH

-

pH

2.5 (20 °C, 50 g/L in H2O)

pH

5.5-6.0 (20 °C in H2O)

Analysis Note

Spec. Absorptivity A 1%/1cm (λmax; 0.2 %; buffer pH 4.0): 2.4 - 2.8
pH-value (20 °C): 3.5 - 4.5
Application test: conforms

pictograms

Environment

hcodes

Hazard Classifications

Aquatic Chronic 2

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Analytical quality assurance (AQA) is to ensure correct and precise test results. This Application Note describes the preparation of a peracetic acid standard solution, which can be used for analytical quality assurance (AQA).

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