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INDICATOR STRIPS PH 5,2-7,2

REEL, LITMUS BLUE, 7 MM ž 5 M, PH INDICA

STANDARD NARROW RANGE, REEL, 4.0 TO 7.0

REEL, PHENOPHTHALEIN, 7 MM ž 5 M, PH IND

STANDARD NARROW RANGE, REEL, 0.5 TO 5.5

TEST PAPER PH 1-14

REEL, POTASSIUM IODIDE, 7 MM ž 5 M, PH I

STANDARD NARROW RANGE, REEL, 8.0 TO 10.0

REEL, LITMUS RED, 7 MM ž 5 M, PH INDICAT

STANDARD NARROW RANGE, REEL, 6.4 TO 8.0