. 2020 Aug 13;3(1):1–13. doi: 10.1159/000509550

Table 4.

Within-batch mean, RSD, accuracy, and precision for (−)-trans-Δ⁹-THC, CBD, Δ⁹-THCAA, and CBDA

	THC				CBD				THCAA				CBDA
	5.50				22.5				7.50				100
Concentration:	5.50 µg/g				22.5 µg/g				7.5 µg/g				100 µg/g
	conc.	accuracy, %	within batch		conc.	accuracy, %	within batch		conc.	accuracy, %	within batch		conc.	accuracy, %	within batch
Batch 1	5.80	105	Mean	5.57	22.8	101	Mean	22.33	7.10	95	Mean	6.95	94.6	95	Mean	90.78
	5.50	100	SD	0.16	22.5	100	SD	0.47	7.70	103	SD	0.43	87.1	87	SD	6.60
	5.60	102	Accuracy	101.21%	22.5	100	Accuracy	99.26%	6.80	91	Accuracy	92.67%	85.4	85	Accuracy	90.78%
	5.60	102	Precision	97.07%	22.6	100	Precision	97.91%	6.60	88	Precision	93.78%	98.1	98	Precision	92.73%
	5.30	96	%CV	2.93%	21.5	96	%CV	2.09%	6.50	87	%CV	6.22%	82.5	83	%CV	7.27%
	5.60	102			22.1	98			7.00	93			97.0	97

Batch 2	5.80	105	Mean	5.75	24.7	110	Mean	23.80	8.90	119	Mean	8.12	114.0	114	Mean	103.17
	5.70	104	SD	0.10	23.4	104	SD	0.52	8.90	119	SD	0.74	93.0	93	SD	12.01
	5.70	104	Accuracy	104.55%	23.6	105	Accuracy	105.78%	8.50	113	Accuracy	108.22%	96.0	96	Accuracy	103.17%
	5.90	107	Precision	98.18%	24.1	107	Precision	97.81%	7.40	99	Precision	90.90%	105.5	106	Precision	88.36%
	5.80	105	%CV	1.82%	23.7	105	%CV	2.19%	7.70	103	%CV	9.10%	90.5	91	%CV	11.64%
	5.60	102			23.3	104			7.30	97			120.0	120

Batch 3	5.30	96	Mean	5.27	22.5	100	Mean	22.68	7.60	101	Mean	8.43	97.0	97	Mean	90.00
	5.10	93	SD	0.16	22.8	101	SD	0.44	7.90	105	SD	0.53	83.0	83	SD	13.10
	5.40	98	Accuracy	95.76%	23.0	102	Accuracy	100.81%	8.40	112	Accuracy	112.44%	86.0	86	Accuracy	90.00%
	5.10	93	Precision	96.90%	22.1	98	Precision	98.08%	8.30	111	Precision	93.74%	94.0	94	Precision	85.45%
	5.20	95	%CV	3.10%	22.4	100	%CV	1.92%	8.70	116	%CV	6.26%	93.0	93	%CV	14.55%
	5.50	100			23.3	104			9.70	129			87.0	87

Batch 4	5.50	100	Mean	5.27	23.5	104	Mean	22.57	7.60	101	Mean	7.78	102.0	102	Mean	100.20
	5.50	100	SD	0.40	23.8	106	SD	1.56	7.20	96	SD	0.49	88.8	89	SD	9.96
	5.20	95	Accuracy	95.76%	22.1	98	Accuracy	100.30%	7.30	97	Accuracy	103.78%	93.0	93	Accuracy	100.20%
	5.60	102	Precision	92.34%	23.7	105	Precision	93.10%	8.40	112	Precision	93.68%	117.0	117	Precision	90.06%
	5.30	96	%CV	7.66%	22.6	100	%CV	6.90%	8.00	107	%CV	6.32%	96.4	96	%CV	9.94%
	4.50	82			19.7	88			8.20	109			104.0	104

Batch 5	5.30	90	Mean	5.13	23.0	102	Mean	22.42	6.50	87	Mean	7.28	103.0	103	Mean	105.00
	5.30	90	SD	0.15	23.8	101	SD	1.22	8.00	107	SD	0.76	117.0	117	SD	7.60
	5.10	86	Accuracy	87.01%	22.5	100	Accuracy	99.63%	7.50	100	Accuracy	97.11%	98.6	99	Accuracy	105.00%
	5.10	86	Precision	97.074%	22.4	100	Precision	94.55%	7.90	105	Precision	89.59%	108.0	108	Precision	92.77%
	5.10	86	%CV	2.93%	22.5	100	%CV	5.45%	6.50	87	%CV	10.41%	95.4	95	%CV	7.23%
	4.90	83			21.3	95			7.30	97			108.0	108

Batch 6	5.30	90	Mean	5.20	23.9	106	Mean	22.50	7.40	99	Mean	6.98	107.0	107	Mean	108.67
	5.00	85	SD	0.23	21.7	96	SD	0.91	6.50	87	SD	0.38	113.0	113	SD	3.83
	5.00	85	Accuracy	88.14%	21.9	97	Accuracy	100.00%	6.60	88	Accuracy	93.11%	106.0	106	Accuracy	108.67%
	5.10	86	Precision	95.61%	21.8	97	Precision	95.98%	6.90	92	Precision	94.61%	107.0	107	Precision	96.48%
	5.20	88	%CV	4.39%	22.4	100	%CV	4.02%	7.20	96	%CV	5.39%	114.0	114	%CV	3.52%
	5.60	95			23.3	104			7.30	97			105.0	105

Δ⁹-THC, Δ⁹-tetrahydrocannabinol; CBD, cannabidiol; Δ⁹-THCAA, Δ⁹-tetrahydrocannabinol-acid-A; CBDA, cannabidiolic acid.