AccuSPEC COD Digestion Tubes use standard 16 mm tubes that have been prefilled with the digestion reagent. The solution contains mercuric sulfate (HgSO4) to remove up to 2000 ppm of chloride interference.


COD Digestion Tubes

Simply add 2 ml of sample to the tube, tightly replace the screw cap, and mix the contents by inverting the tube a few times. Place the vials in the DigiPREP CUBE, set to 150 °C, and allow to reflux for 2 hours. Once cooled to room temperature, the samples can be measured using a UV-visible spectrometer.

AccuSPEC COD Tubes are:

• Fully compatible with EPA 410.4 and Standard Methods 5220

• Available in three ranges ( 150 mg/L, 1500 mg/L, 15 000 mg/L)

• Compatible with standard reactors and spectrophotometers

• COD Tubes Flyer (PDF, 160KB)

• Free Certified Reference Material


COD TUBES    
Description
Concentration
Catalog Number, 25 Tubes + 1 QC
COD Digestion Tubes
0-150 mg/L
250-130-006
COD Digestion Tubes
0-1 500 mg/L
250-130-016
COD Digestion Tubes
0-15 000 mg/L
250-130-026


   
Catalogue Number
Description
Concentration
500 ml
1 L
4 L
COD Standard
100 mg/L O2
250-130-550
250-130-551
COD Standard
1000 mg/L O2
250-130-600
250-130-601
COD Standard
10 000 mg/L O2
250-130-650
250-130-651
Ferrous Ammonium Sulfate
0.00282 N
250-130-150
250-130-151
250-130-152
Ferrous Ammonium Sulfate
0.05 N
250-130-200
250-130-201
250-130-202
Ferrous Ammonium Sulfate
0.1 N
250-130-250
250-130-251
250-130-252
Ferrous Ammonium Sulfate
0.25 N
250-130-300
250-130-301
250-130-302
Ferrous Ammonium Sulfate
0.4 N
250-130-350
250-130-351
250-130-252
Ferrous Ammonium Sulfate
20% w/v
250-130-450
250-130-451
250-130-452
Sulfuric Acid for COD Test*
250-130-500
250-130-501
250-130-502**
Sulfuric Acid for COD TEST also available in 10L/20 L **5L bottle