ISE Ammonia Probe Standard, ≥ 10 ppm
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O-951007
Orion ammonia standard, 1000 ppm as N, nitrogen, storage solution for use with classic ammonia ISE O-9512BN
O-951207
Orion ammonia standard 100 ppm as N, nitrogen
A-37
Ammonia standard, concentration of 1000 ppm as N, nitrogen
Standards are traceable to 99.5% pure reference material
A-37A
Ammonia standard, concentration of 100 ppm as N, nitrogen
Standards are traceable to 99.5% pure reference material
A-37B
Ammonia standard, concentration of 10.0 ppm as N, nitrogen
Standards are traceable to 99.5% pure reference material
A-37H
Ammonia standard, concentration of 20.0 ppm as N, nitrogen
Standards are traceable to 99.5% pure reference material
A-37K
Ammonia standard, concentration of 30 ppm as N, nitrogen
Standards are traceable to 99.5% pure reference material
A-37L
Ammonia standard, concentration of 50 ppm as N, nitrogen
Standards are traceable to 99.5% pure reference material