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
Storage conditions	Room temperature Store airtight and away from light place.Before use, the temperature should be adjusted to （20±3）℃，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	c(1/6K₂Cr₂O₇)=0.02509mol/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	0.05000mol/L	2%	7783-85-9