LaMotte TRACE ELEMENT PLANT TISSUE TESTS PT-04 - Manual (Page 4)

COPPER
1.
Use a Copper Test Paper (5266) to collect the plant sap.
2. Add 1 drop of *Copper Test Solution (5267) to an area of the paper
containing a spot of plant sap.
3. The area will turn blue if sufficient copper is present.
BORON
1.
Use a Boron Test Paper (5268) to collect the plant sap.
2. Outline a spot of the plant sap with a pencil and mark a spot of
similar size on another strip of test paper. Add one drop of Deionized
Water (5115PS) to second strip.
3. After a few minutes, the area which has the plant sap should turn a
bluish to a purplish color. No color should appear in the deionized
water blank. If a difference of color exists, the plant contains
sufficient boron.
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