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1.09928

Supelco

Potassium dichromate solution

for 1000 ml, c(K₂Cr₂O₇) = 1/₆₀ mol/l (0.1 N) Titrisol®

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Quality Level

product line

Titrisol®

form

liquid

reaction suitability

reaction type: Redox Reactions

concentration

1/60 M

technique(s)

titration: suitable

pH

4.1 (20 °C in H2O)

density

1.06 g/cm3 at 20 °C

storage temp.

15-25°C

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This Item
1.091181.091191.93615
Potassium dichromate solution for 1000 ml, c(K₂Cr₂O₇) = 1/₆₀ mol/l (0.1 N) Titrisol®

1.09928

Potassium dichromate solution

Potassium dichromate solution c(K2Cr2O7) = 1/24 mol/l (0.25 N), Titripur®

1.09118

Potassium dichromate solution

Potassium dichromate solution for determination of COD c(K2Cr2O7) = 0.020 mol/l, Titripur®

1.09119

Potassium dichromate solution

Supelco

1.93615

Potassium dichromate

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

-

pH

4.1 (20 °C in H2O)

pH

3.8 (20 °C in H2O)

pH

3.8 (20 °C in H2O)

pH

-

density

1.06 g/cm3 at 20 °C

density

1.01 g/cm3 at 20 °C

density

1.0 g/cm3 at 20 °C

density

-

product line

Titrisol®

product line

Titripur®

product line

Titripur®

product line

EMPLURA®

reaction suitability

reaction type: Redox Reactions

reaction suitability

reaction type: Redox Reactions

reaction suitability

reaction type: Redox Reactions

reaction suitability

-

Linkage

Replaces: PX1443-6

Analysis Note

Concentration after dilution to 1 liter: c(K₂Cr₂O₇) = 1/60 mol/l
Amount-of-substance concentration: 1/60 mol/l
The concentration of this solution was determined with sodium thiosulfate standard solution (article number 1.09147) standardized against volumetric standard potassium iodate (article number 1.02404). The determined titer at 20°C was 1.000 with an expanded measurement uncertainty of ± 0.004 (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 136f (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard potassium iodate, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.

Legal Information

Titrisol is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Liq. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Cardio-vascular system, Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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