Table 3.

BBD matrix response and its design ^a.

Run	Metal Free Condition
	A	B	C	Y (%)	X (%)
	2	120	8	93.01	90.80
	2	120	8	89.00	90.80
	1	120	4	40.33	30.12
	1	130	8	62.03	65.62
	3	130	8	82.09	77.12
	2	110	4	34.12	39.00
	3	110	8	80.31	76.37
	3	120	4	50.41	48.62
	2	120	8	91.01	90.80
	3	120	12	71.00	80.88
	1	110	8	50.21	54.87
	2	110	12	82.07	75.75
	2	130	4	41.09	47.25
	1	120	12	65.21	66.37
	2	120	8	88.44	90.80
	2	130	12	84.51	79.00
	2	120	8	93.01	90.80

^a Y—Experimental Yield, X—Predicted Yield.