Eleven laboratories collaboratively studied the use of direct reading emission spectroscopy,
with the solution rotating disk technique of excitation for the elemental analysis of plant …

Practical farmers are now realizing the value of plant tissue assays for trace metals and
many laboratories offer services for such analyses by optical emission spectroscopy. The …

A briquetting technique has been developed which permits rapid multielement analysis of
plant material by direct reading emission spectroscopy. This method does not require an …

Data are presented for 14 elements in 33 spices analyzed by a direct reading emission
spectroscopic method. For six of the spices, seven elements were verified by atomic …

A rapid and simple atomic absorption spectroscopic method has been developed for
determining zinc and manganese in plants. The method has been applied to sample …

A method for elemental analysis of plant tissue, using the Spectraspan III with a dc argon
plasma emission source, is presented. Values are reported for boron, phosphorus, zinc …

Eighteen laboratories reported the analyses of seven plant tissue referee samples for the
elements N, P, K, Ca, Mg, Al, B, Cu, Fe, Mn, Na, and Zn. Agreement among the laboratories …

However, the task of obtaining valid multielement analytical data to support biological
research in a cost-efficient manner has only recently begun to be solved. There are many" …

Results of investigations into the application of atomic-absorption spectroscopy to the
analysis of plant material for zinc, magnesium, copper and iron are given. For zinc and …

An investigation of interference by phosphorus, aluminium, sodium, potassium and silicon in
the analysis of plant material for calcium by atomicabsorption spectrophotometry is …