Permanent chlorine standard solution | Physical and chemical indicators (water and wastewater)

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Permanent chlorine standard solution Essential Information

Form	Liquid State
Stroma	Potassium chloride-hydrochloric acid buffer solution
Packing	Brown glass bottle
Save conditions	at 2-8 ℃ 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	Residual chlorine	0.40mg/L	8%	/
2	Residual chlorine	0.50mg/L	8%	/
3	Residual chlorine	0.60mg/L	8%	/
4	Residual chlorine	0.70mg/L	5%	/
5	Residual chlorine	0.80mg/L	5%	/
6	Residual chlorine	0.90mg/L	5%	/
7	Residual chlorine	1.00mg/L	5%	/