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. 2021 Oct 11;6:35. doi: 10.1186/s41181-021-00147-8

Table 1.

Water drop size as a function of needle diameter. Water density assumed as 1 g mL−1

25G × 5/8″
0.5 × 16 mm		 23G × 1 1/4″
0.6 × 30 mm		 22G × 1 1/4″
0.7 × 30 mm		 21G × 2″
0.8 × 50 mm		 20G × 23/16″
0.9 × 55 mm		 19G × 1 1/2″
1.1 × 40 mm		 18G × 1 1/2″
1.2 × 40 mm
m, g (n = 5) 0.0100 0.0146 0.0156 0.0170 0.0171 0.0202 0.0264
V, µL 10 14.6 15.6 17 17.1 20.2 26.4
SD, ± g (k = 2) 0.0020 0.0043 0.0040 0.0023 0.0012 0.0021 0.0023