Raw Data for assay 2

	A	B	C	E	F
1	Test 1: Absorption spectrum of copper solution with 10 drops of APL at different wavelength			Test 2: solution with 5 drops of APL
2	Wavelength of filter / nm	Absorbance using colorimeter No.6	Absorbance using colorimeter No.9	nm	Both
3	440	1.07	1.08	440	1.2
4	470	0.95	1.02	470	1.17
5	490	0.65	0.72	490	0.95
6	520	0.56	0.61	520	0.86
7	550	0.42	0.42
8	580	0.32	0.32
9
10	Test 2: Absorbance of copper solution with 175 ul APL solution at different concentration
11	Concentration of copper solution/ mg/L	Absorbance of colorimeter No.6	Absorbance of colorimeter No.9
12	1	0.00	0.00
13	2	0.06	0.05
14	3	0.01	0.01
15	4	0.02	0.03
16	10	1.07	1.08
17	100	2.00	2.00
18	1000	2.00	2.00
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