Feature	Standard
Feature Number of calibrations/kit	Standard 10
Feature Minimum lifetime (months)	Standard 6
Feature Box contents	Standard 10 x exetainers w. H2S stock solution | 10 x exetainers w. mixing solution | 1 x Calibration Cap w. 3 cm flexible tube | 1 x 1 ml syringe | 1 x 10 ml syringe | 1 x 80*2.1 mm needle | 1 x 40*0.6 mm needle | Glass beads for mixing
Feature Solution content	Standard Stock solution: Alkaline anoxic solution with zink-sulfide precipitate. | Mixing solution: diluted anoxic HCL solution pH 2.1
Feature Validation method	Standard Batch tested against solutions brought into equilibrium with a H2S/N2 mix with certified concentrations at controlled temp. Concentration calculated according to Morse J.W., Millero F.J., Cornwell J.C., & Rickard D. 1987
Feature Certifying body	Standard Nippon gases
Feature Compatibility	Standard All Unisense H2S sensors (SULF- and H2S-types)
Feature Exceptions	Standard High range sensors (mM range) | Some custom made sensors (contact us)

Product	Description
Product Calkit-H2S	Description H2S and SULF sensor calibration kit | For 10 calibrations