XRD Lab, Please fill the tables from graphs.

(3) d'experimental - d standard -x100% d standard Remember to report the sign as well as the number (values can be positive or negative). Standard d() I/IL Position (20) d () Experimental % Deviation in d 1/1 Intensity (Counts) 3.343 100 4.26 35 1.817 17 1.541 15 2.458 12 2.282 12 2.128 9 1.372 9 Quartz: Intensity (counts) vs. 2-theta (deg) -2.23*x + 212R* = 0.023 6000 (26,5237) 4000 Intensity (counts) 2000 (20.51,1071) (49.55, 825) (50.4, 608) (67.7, 605) (35.95, 482) (38.85, 399) (41.85, 340) NA 20 40 60 80 2-theta (deg) EFFECT OF GRINDING: The largest peaks of NaCl are listed in the table, below. Fill in the rest of the table. Standard Ground Unground d(A) ( I/I1 d (8) I/I1 d() 1/11 2.82 100 1.99 55 1.63 15 3.26 13 1.26 11 Unground NaC: Intensity (counts) vs. 2 theta (deg) -6.9*x + 526 R2 = 0.022 20000 (32.1, 17149) 15000 Intensity (counts) 10000 (32.5, 7501) 5000 (56.85, 501) (67, 249) (83.5, 269) 0 20 40 60 80 2-theta (deg) Grounded NACL:Intensity (counts) vs. 2-theta (deg) Intensity (counts) -4.87*x +393 R = 0.067 6000 (31.65, 5585) 4000 Intensity (counts) 2000 (45.1, 1681) (56.15, 419) (75, 444) (83.7, 268) A 0 20 40 60 80 2-theta (deg) Three largest peaks Secondary peaks (for confirmation) Expt. counts Expt. 20 Expt. d() Std. d(8) Unknown 4: Intensity (counts)vs. 2-theta (deg) Intensity (counts) -3.66*x + 366 R2 = 0.017 10000 (38.55, 8285) 7500 5000 Intensity (counts) (55.85, 3883) 2500 (70.1, 1100) (83.2, 413) (33.2, 309) (66.9, 108) 0 20 40 60 80 2-theta (deg)