COD<sub>Cr</sub> reagents | Organic pollution comprehensive indicators (water and wastewater)

Essential Information Magnitude Information Related Products

COD_Cr reagents Essential Information

Form	Liquid State
Stroma	Sulfuric acid and ultrapure water
Packing	Plastic bottle,glass bottle
Save conditions	Refrigeration(4±4）℃ Store airtight and away from light place.Before use, the temperature should be adjusted to Room temperature，shake uniformity.Used up after opening,prevent contamination during use.

No	Analyte	Standard value	Uncertainty(k=2)	CAS
1	Sulfuric acid silver - Sulfuric acid solution	10g/L	/	10294-26-5
2	Potassium dichromate standard solution	0.02525mol/L	2%	7778-50-9
3	mercuric sulfate solution	100g/L	/	7783-35-9
4	try ferrous sulfite	/	/	14634-91-4
5	Ammonium iron(II) sulfate	0.05050mol/L	2%	7783-85-9