Perhitungan No2.docx

Perhitungan NO2 0.45 y = 0.3833x - 0.0242 R² = 1

0.4 0.35 0.3 0.25

Series1

0.2

Linear (Series1)

0.15 0.1 0.05 0 -0.05

0

0.2

0.4

Persamaan linear: y = ax + b y = 0.3833x - 0.0242 A. Blanko Dik: a = 0.0000 Dit: x? Jawab: 𝑦 = 0.3833x − 0.0242 0.0000 + 0.0242 =𝑥 0.3833 𝑥 = 0.0631 ppm (C blanko)

0.6

0.8

1

1.2

B. Standar 1 Dik: a = 0.0391

C = C standar – C blanko

Dit: x dan c akhir?

= 1.0832 – 0.0631

Jawab:

= 1.0201

𝑦 = 0.3833x − 0.0242

𝐶 𝑎𝑘ℎ𝑖𝑟 =

𝑎 𝑥 1000 𝑣

0.3910 + 0.0242 =𝑥 0.3833

𝐶 𝑎𝑘ℎ𝑖𝑟 =

1.0201 𝑥 1000 291.20

𝑥 = 1.0832

𝐶 𝑎𝑘ℎ𝑖𝑟 = 3.5030

C. Standar 2 Dik: a = 0.5496

C = C standar – C blanko

Dit: x dan c akhir?

= 1.4870 – 0.0631

Jawab:

= 1.4239

𝑦 = 0.3833x − 0.0242

𝐶 𝑎𝑘ℎ𝑖𝑟 =

𝑎 𝑥 1000 𝑣

0.5496 + 0.0242 =𝑥 0.3833

𝐶 𝑎𝑘ℎ𝑖𝑟 =

1.4239 𝑥 1000 291.20

𝑥 = 1.4870

𝐶 𝑎𝑘ℎ𝑖𝑟 = 4.8897

D. Standar 3 Dik: a = 0.6594

C = C standar – C blanko

Dit: x dan c akhir?

= 1.7843 – 0.0631

Jawab:

= 1.7212

𝑦 = 0.3833x − 0.0242

𝐶 𝑎𝑘ℎ𝑖𝑟 =

𝑎 𝑥 1000 𝑣

0.6594 + 0.0242 =𝑥 0.3833

𝐶 𝑎𝑘ℎ𝑖𝑟 =

1.7212 𝑥 1000 291.20

𝑥 = 1.7834

𝐶 𝑎𝑘ℎ𝑖𝑟 = 5.910

E. Standar 4 Dik: a = 0.8777

C = C standar – C blanko

Dit: x dan c akhir?

= 2.3529 – 0.0631

Jawab:

= 2.2898

𝑦 = 0.3833x − 0.0242

𝐶 𝑎𝑘ℎ𝑖𝑟 =

𝑎 𝑥 1000 𝑣

0.8777 + 0.0242 =𝑥 0.3833

𝐶 𝑎𝑘ℎ𝑖𝑟 =

2.2898 𝑥 1000 291.20

𝑥 = 2.3529

𝐶 𝑎𝑘ℎ𝑖𝑟 = 7.8633

F. Standar 5 Dik: a = 1.1037

C = C standar – C blanko

Dit: x dan c akhir?

= 2.9426 – 0.0631

Jawab:

= 2.8795

𝑦 = 0.3833x − 0.0242

𝐶 𝑎𝑘ℎ𝑖𝑟 =

𝑎 𝑥 1000 𝑣

1.1037 + 0.0242 =𝑥 0.3833

𝐶 𝑎𝑘ℎ𝑖𝑟 =

2.8795 𝑥 1000 291.20

𝑥 = 2.9426

𝐶 𝑎𝑘ℎ𝑖𝑟 = 9.8883

G. Sampel C1 Dik: a = 0.0026

C = C standar – C blanko

Dit: x dan c akhir?

= 0.0699 – 0.0631

Jawab:

= 0.0068

𝑦 = 0.3833x − 0.0242

𝐶 𝑎𝑘ℎ𝑖𝑟 =

𝑎 𝑥 1000 𝑣

0.0026 + 0.0242 =𝑥 0.3833

𝐶 𝑎𝑘ℎ𝑖𝑟 =

0.0068 𝑥 1000 291.20

𝑥 = 0.0699

𝐶 𝑎𝑘ℎ𝑖𝑟 = 0.0233