Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Sample mechanical transport means in or for automated...
Patent
1980-05-19
1981-12-01
Smith, William F.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Sample mechanical transport means in or for automated...
23230R, 422101, 422104, G01N 3116
Patent
active
043036104
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.
REFERENCES:
patent: 1910236 (1933-05-01), Butler
patent: 3121613 (1964-02-01), Bittner
patent: 3203540 (1965-08-01), Kalt et al.
patent: 3798000 (1974-03-01), Helger
patent: 4126417 (1978-11-01), Edwards
patent: 4174202 (1979-11-01), Simpson
"Instruction for Soil Calcium and Magnesium Test Kit, Model 14855", Hach Chemical Company.
Phillips Carroll O.
Sardisco John B.
Pennzoil Company
Smith William F.
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