EPA Standards | Method 200.7

All of the following standards are prepared from high-purity metals or salts in sub-boiling distilled acids and packaged in 100, 250, and 500ml volumes.
The accuracy of all standards is certified to ± 0.5% of the stated concentrations against NIST SRM spectrometric standard solutions.
Each standard is accompanied by a Material Safety Data Sheet and Certificate of Analysis stating the NIST SRM used.
All standards are certified accurate for a period of one year from the date of shipment.

Element	Conc (µg/ml)	Element	Conc (µg/ml)	Element	Conc (µg/ml)	Matrix	Volume	Part Number
Al	1000	Mg	1000	Ag*	500	2% HNO3	100ml	200.7-1-100
Ca	1000	Ni	500	Na	1000		250ml	200.7-1-250
Cr	500	K	1000	Zn	500	* Solution B	500ml	200.7-1-500

Element	Conc (µg/ml)	Element	Conc (µg/ml)	Element	Conc (µg/ml)	Matrix	Volume	Part Number
Ba	100	Cu	100	Sr	1000	2% HNO3	100ml	200.7-2-100
Be	100	Fe	1000	V	100		250ml	200.7-2-250
Co	200	Mn	100				500ml	200.7-2-500

Element	Conc (µg/ml)	Element	Conc (µg/ml)	Element	Conc (µg/ml)	Matrix	Volume	Part Number
Al	25	Cu	25	Se	25	2% HNO3	100ml	200.7-5-100
Sb	25	Fe	25	Si	25	+ Tr HF	250ml	200.7-5-250
As	25	Pb	25	Ag	2.5		500ml	200.7-5-500
Ba	25	Li	25	Sr	25
Be	5	Mn	25	Tl	25
B	25	Hg	5	Sn	10
Cd	10	Mo	10	V	10
Cr	25	Ni	25	Zn	25
Co	10	P	50

Element	Conc (µg/ml)	Element	Conc (µg/ml)	Element	Conc (µg/ml)	Matrix	Volume	Part Number
Al	20	Cu	20	K	100	2% HNO3	100ml	200.7-6-100
Sb	20	Fe	20	Se	20	+ Tr HF	250ml	200.7-6-250
As	20	Pb	20	Si	100		500ml	200.7-6-500
Ba	20	Li	20	Ag	5
Be	20	Mg	20	Na	200
B	20	Mn	20	Sr	20	* Solution B
Cd	20	Hg	20*	Tl	20
Ca	20	Mo	20	Sn	20
Cr	20	Ni	20	V	20
Co	20	P	100	Zn	20

Element	Conc (µg/ml)	Element	Conc (µg/ml)	Element	Conc (µg/ml)	Matrix	Volume	Part Number
Al	200	Co	50	Ni	50	2% HNO3	100ml	200.7-8-100
Ba	50	Cr	50	Sn	50	+ Tr HF	250ml	200.7-8-250
Be	50	Cu	50	SiO2	50		500ml	200.7-8-500
Cd	50	Fe	300	Ti	50
Ca	50	Mn	50	Tl	50
Ce	50	Mo	50	V	50

Element	Conc (µg/ml)	Element	Conc (µg/ml)	Element	Conc (µg/ml)	Matrix	Volume	Part Number
Al	200	Co	200	P	1,000	5% HNO3	100ml	200.7-10-100
As	200	Cu	200	K	1,000		250ml	200.7-10-250
Ba	200	Fe	200	Se	200		500ml	200.7-10-500
Be	200	Pb	200	Ag	25
B	200	Li	200	Tl	200
Cd	200	Mg	200	V	200
Ca	200	Mn	200	Zn	200
Ce	200	Hg	200
Cr	200	Ni	200

Method 200.7 Standards