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37420 Sigma

AQUANAL-plus cyanide/thiocyanate (CN/SCN) 0.03-0.7 mg/L

test set with color comparator and check solution

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Potable- & Waste-Water Testing, Replacement Kit Items, Tests for semi-quantitative determination (color charts) More...
usage   sufficient for 200 tests
drug control   regulated under CDSA - not available from Sigma-Aldrich Canada
measuring range   0.01-1.0 mg/L, (photometric, Spectro 3)
  0.03-0.7 mg/L, (color chart)

Description

Analysis Note

Method
Formation of a violet polymethine dye with pyridine and 1,3-dimethylbarbituric acid

Principle
DEV

Gradation (color chart)
0 - 0.03 - 0.06 - 0.10 - 0.15 - 0.20 - 0.30 - 0.45 - 0.70 mg/L (CN-, SCN-)

Other Notes

Same product — same quality — now Sigma brand

Application

AQUANAL-plus cyanide/thiocyanate (CN/SCN) may be used in the spectrophotometric determination of free cyanide.

General description

Aquanal kits can be used for the determination of hardness and phosphate ammonia, nitrate, and nitrite concentrations. AQUANAL-plus cyanide/thiocyanate (CN/SCN) is an analytical reagent.

Legal Information

AQUANAL is a trademark of Sigma-Aldrich International GmbH

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3316 9

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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Related Products

replacement part

Product #

Description

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37460 AQUANAL-plus cyanide/thiocyanate (CN/SCN) 0.03-0.7 mg/L, refill pack for 37420

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