As

7N Grade(99.99999%)

Element	at ppm	Detection Limit ppm	Element	at ppm	Detection Limit ppm	Element	at ppm	Detection Limit ppm
Be	–	0.001	V	–	0.001	Se	–	0.01
B	–	0.001	Cr	–	0.001	Cd	–	0.02
Na	0.002	0.001	mn	–	0.001	Sn	–	0.01
Mg	–	0.001	Fe	–	0.001	Sb	–	0.001
Al	–	0.001	Ni	–	0.001	Te	–	0.01
Si	0.001	0.001	Co	–	0.001	Hg	–	0.001
P	–	0.001	Cu	–	0.001	Pb	–	0.001
S	0.001	0.001	Zn	–	0.002	Bi	–	0.001
K	–	0.01	Ga	–	0.005
Ca	–	0.05	Ge	–	0.005
Ti	–	0.001	As	Matrix

– : Not Detected

6N Grade(99.9999%)

Element	at ppm	Detection Limit ppm	Element	at ppm	Detection Limit ppm	Element	at ppm	Detection Limit ppm
Be	–	0.001	V	–	0.001	Se	–	0.01
B	–	0.001	Cr	–	0.001	Cd	–	0.02
Na	0.002	0.002	mn	–	0.001	Sn	–	0.01
Mg	–	0.001	Fe	0.001	0.001	Sb	–	0.002
Al	–	0.001	Ni	–	0.001	Te	–	0.01
Si	0.002	0.002	Co	–	0.001	Hg	–	0.001
P	–	0.001	Cu	–	0.002	Pb	–	0.001
S	0.001	0.001	Zn	–	0.003	Bi	–	0.001
K	–	0.02	Ga	–	0.006
Ca	–	0.05	Ge	–	0.005
Ti	–	0.001	As	Matrix

– : Not Detected

MBE Grade(99.999995%)

Element	at ppm	Detection Limit ppm	Element	at ppm	Detection Limit ppm	Element	at ppm	Detection Limit ppm
Be	–	0.001	V	–	0.001	Se	–	0.01
B	–	0.001	Cr	–	0.001	Cd	–	0.02
Na	0.001	0.001	mn	–	0.001	Sn	–	0.01
Mg	–	0.001	Fe	–	0.001	Sb	–	0.001
Al	–	0.001	Ni	–	0.001	Te	–	0.01
Si	0.001	0.001	Co	–	0.001	Hg	–	0.001
P	–	0.001	Cu	–	0.001	Pb	–	0.001
S	0.001	0.001	Zn	–	0.002	Bi	–	0.001
K	–	0.01	Ga	–	0.005
Ca	–	0.05	Ge	–	0.005
Ti	–	0.001	As	Matrix

– : Not Detected