Inorganic carbon standards

All solutions are supplied with MSDS (Material Safety Data Sheet) and have a value of 1000 ppm.

Carbon dioxide Absorber.

General description SRM 2620a_cert SRM 2620a _SDS Other Notes Certified for the analytes listed below. Carbon dioxide (CO 2 ) Reference/Informational value is provided for the following analytes.

Carbon dioxide standard solution.

Direct Reading Titrator For determining free carbon dioxide in water Range of 0 to 55 ppm CO2 in 1 ppm increments Employs APHA Method 406B with sodium hydroxide titrant. Sufficient for 50 tests at 50 ppm.

AA & ICP Assurance® Grade CRMs are designed for AA and ICP and are available in single and multi-element formulations. 70 Elements are available as single-element standards and are available at 1, 000 µg/mL and/or 10, 000 µg/mL.

General description This Standard Reference Material (SRM) is a primary gas mixture for which the amount-of-substance fraction, expressed as concentration, may be related to secondary working standards. This SRM is intended for the calibration of

General description This Standard Reference Material (SRM) is a primary gas mixture for which the amount-of-substance fraction, expressed as concentration, may be related to secondary working standards. This SRM is intended for the calibration of

General description SRM 2638A_cert SRM 2638A _SDS Other Notes Certified for the analytes listed below. Carbon monoxide (CO) Reference/Informational value is provided for the following analytes.

DescriptionThis carbon nanotube flakes are millimetre-scale multi-walled carbon nanotube bundles. Crystal quality of CNT is examined by Raman scattering measurement. Intensity ratio of G-peak (1580 cm-1) and D-peak (1350 cm-1) represents quality of

Purity: 99.999% (metals basis) Harmonized Tariff Code:  6815.10

General description SRM 13G_cert SRM 13G _SDS Other Notes Example analytes are listed below as a reference. Please download a current certificate at nist.