| ... | ... | @@ -30,6 +30,8 @@ Now the |
|
|
|
|
|
|
|
*Refers to the type of sampling used by the primary sampling instrument measurement instrument, or is the sample preparation phase).*
|
|
|
|
|
|
|
|
**associated metadata variables:** `primary_sampling_type` , `measuring_instrument_sampling_type`
|
|
|
|
|
|
|
|
| Name | Definition |
|
|
|
|
| ------------------- | ------------------------------------------------------------------ |
|
|
|
|
| continuous | air is drawn in continuously, with a consistent flow rate |
|
| ... | ... | @@ -43,6 +45,8 @@ Now the |
|
|
|
|
|
|
|
*Refers to all preparations made before the ultimate measurement of sample. These can be multiple in number.*
|
|
|
|
|
|
|
|
**associated metadata variables:** `sample_preparation_methodology_types`
|
|
|
|
|
|
|
|
| Name | Definition |
|
|
|
|
| ------------------- | ------------------------------------------------------------------ |
|
|
|
|
| flask | sample was collected/stored in measurement flasks/canisters before analysis |
|
| ... | ... | @@ -51,3 +55,11 @@ Now the |
|
|
|
| filter pack | sample was collected in a filter pack, selectively retaining compound(s) of interest | denuder | air was passed through a denuder before analysis to selectively retain compound(s) of interest (a denuder is cylindrical or annular conduit or tube internally coated with a reagent that selectively reacts with a stable flow of gas) |
|
|
|
|
| sorbent tube | sample was passed through a sorbent tube to trap and retain the compound(s) of interest |
|
|
|
|
| reagent reaction | reagent reaction: sample reacted with a liquid/solid chemical reagent before measurement |
|
|
|
|
|
|
|
|
### measurement_method
|
|
|
|
|
|
|
|
*Refers to the method utilised in the ultimate measurement of a parameter.*
|
|
|
|
|
|
|
|
**associated metadata variables:** `sample_preparation_methodology_types`, `measurement_methodology`
|
|
|
|
|
|
|
|
|
|
|
\ No newline at end of file |
