When you use this ERM, please carefully break open the ampoule at the neck and pipette 10ml from the ampoule into 250 ml volumetricflask and bring to volume by purified water.
When you use this ERM, please carefully break open the ampoule at the neck and pipette10 ml from the ampoule into 250 ml volumetricflask and bring to volume by 1% HNO3 solution.
When you use this ERM, please carefully break open the ampoule at the neck and pipette 10 ml from the ampoule into 250 ml volumetricflask and bring to volume by 1% HNO3 or 1% HCl.