Test kit for field analysis of plant tissue magnesium and calcium
US4303610A · kind A · utility
24Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1980 |
| Grant date | Dec 1, 1981 |
| Priority date | — |
| Expiry date | May 19, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L1/52
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A test kit for field analysis of plant tissue magnesium and calcium contains a cork borer for sampling plant tissue, a grinder for particulating the plant tissue sample, and a funnel holder that is capable of being attached to the test kit container. Furthermore, the test kit contains a syringe that is attached to the exit end of a filtration funnel, with the attachment being through the intermediacy of a tube. Attachment of the syringe to the filtration funnel enables vacuum filtration to be carried out in the field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.