連云港堿業(yè)有限公司

LIANYUNGANG SODA ASH CO.,LTD.

Item

Index

pure nitrogen

High-purity nitrogen

Ultra-pure nitrogen

N2 purity（volume fraction）/10-2 ≥

99.99

99.999

99.9999

H2 content（volume fraction）/10-6 ≤

15

1

0.1

O2 content（volume fraction）/10-6 ≤

50

3

0.1

CH4 content（volume fraction）/10-6 ≤

5

1

0.1

CO content（volume fraction）/10-6 ≤

5

1

0.1

CO2 content（volume fraction）/10-6 ≤

10

1

0.1

Ar content（volume fraction）/10-6 ≤

—

—

Negotiation between the supplier and the buyer

H2O content（volume fraction）/10-6 ≤

15

3

0.5