This annex contains tables defining those EDCS dictionary entries whose use is deprecated as defined in Annex G. Change and deprecation plan.
The use of the EUs in Table B.1 is deprecated. Users of these units of measure are strongly cautioned that these EUs are expected to be removed in a future version of this International Standard.
| Label | Symbol | Quantity | Definition | EQ label | Code | References |
| ANGSTROM | Å | length | ångström; 1 Å = 10-10 m = 10-1 nm = 10-4 μm (exactly). | LENGTH | 5 | [I31-1, 1-3.a (remarks)], [I1000, Annex A 6.3] |
| ARE | a | area | The product of length and width. 1 a = 1 dam2 = 102 m2 (exactly). |
AREA | 6 | [I31-1, 1-5.a (remarks)], [I1000, Annex A 1-4] |
| ASTRONOMICAL_UNIT | AU | length | 1 AU = 1,495 978 7 x 1011 m (approximately). | LENGTH | 7 | [I31-1, 1-3.B.b] |
| BAR | bar | pressure | The force that is exerted per unit area. 1 bar = 105 Pa (exactly). |
PRESSURE | 8 | [I31-3, 3-15a (remarks)], [I1000, Annex A 3-15.1] |
| BARN | b | area | The product of length and width. 1 b = 100 fm2 = 10-28 m2 (exactly). |
AREA | 9 | [I31-10, 10-3.a (remarks)] |
| CURIE | Ci | activity of a radio nuclide | The average number of spontaneous nuclear transitions from a particular energy state occurring in an amount of a radio nuclide in a small time interval, divided by that interval. 1 Ci = 3.7 x 1010 Bq (exactly). |
RADIONUCLIDE- _ACTIVITY |
30 | [I31-9, 9-33.a (remarks)], [I1000, Annex A 9-33] |
| FOOT | ft | length | 1 ft = 0,304 8 m (exactly). | LENGTH | 51 | [I31-1, 1-3.A.b] |
| GAL | Gal | acceleration | The change in velocity divided by time. 1 Gal = 0,01 m/s2 (exactly). |
ACCELERATION | 52 | [I31-1, 1-11.B.a] |
| GON | gon | plane angle | The angle between two half-lines terminating at the same point is defined as the ratio of the length of the included arc of the circle (with its centre at that point) to the radius of that circle. 1 gon = π / 200 rad = 0,015 707 96 rad (exactly). |
PLANE_ANGLE | 54 | [I31-1, 1-1.B.a], [I1000, Annex A 1-1] |
| HECTARE | ha | area | The product of length and width. 1 ha = 1 hm2 = 104 m2 (exactly). |
AREA | 62 | [I31-1, 1-5.a (remarks)] |
| KILOPOUND | kp | mass | 1 kip = 453,592 37 kg (exactly). | MASS | 126 | [I31-3, 3-1.B.a], [I31-0, 2.3.2.3] |
| KNOT | kn | velocity | The distance divided by time. 1 kn = 1 nautical mile per hour = 1,852 km/h = 0,514 444 m/s (exactly). |
SPEED | 128 | [I31-1, 1-10.b (remarks)], [I1000, Annex A 1-10] |
| LIGHT_YEAR | l.y. | length | The distance travelled in 1 year by electromagnetic waves in free space. 1 l.y. = 9,460 730 x 1015 m (exactly). |
LENGTH | 129 | [I31-1, 1-3.B.a] |
| LONG_TON | ton (long) | mass | 1 long ton (US) = 1 ton (UK) = 1 016,047 kg (exactly). | MASS | 133 | [I31-3, 3-1.B.e] |
| MILE | mile | length | 1 mile = 1 609,344 m (exactly). | LENGTH | 148 | [I31-1, 1-3.A.d] |
| MILE_PER_HOUR | mile/h | velocity | The distance divided by time. 1 mile/h = 0,447 04 m/s (exactly). |
SPEED | 149 | [I31-1, 1-10.A.b] |
| NAUTICAL_MILE | none | length | 1 nautical mile = 1 852 m (exactly). | LENGTH | 158 | [I31-1, 1-3.a (remarks)] |
| PARSEC | pc | length | The distance at which 1 astronomical unit subtends an angle of 1 second of arc. 1 pc = 206 264,8 AU = 30,856 78 x 1015 m (exactly). |
LENGTH | 172 | [I31-1, 1-3.B.c] |
| PERCENT | % | special (pure number) | 1% = 0,01 x 1 (often omitted). | PURE_NUMBER | 179 | [I31-0, 2.3.3] |
| PPB_MASS_FRACTION | none | mass fraction (of B) | The mass of B divided by the mass of the mixture. 1 x 10-9 kg/kg (exactly). |
MASS_FRACTION | 181 | [I31-8, 8-12.a], [I31-0, 2.3.3] |
| PPM_MASS_FRACTION | none | mass fraction (of B) | The mass of B divided by the mass of the mixture. 1 x 10-6 kg/kg (exactly). |
MASS_FRACTION | 182 | [I31-8, 8-12.a], [I31-0, 2.3.3] |
| PPT_MASS_FRACTION | none | mass fraction (of B) | The mass of B divided by the mass of the mixture. 1 x 10-12 kg/kg (exactly). |
MASS_FRACTION | 183 | [I31-8, 8-12.a], [I31-0, 2.3.3] |
| PPTH_MASS_FRACTION | none | mass fraction (of B) | The mass of B divided by the mass of the mixture. 1 x 10-3 kg/kg (exactly). |
MASS_FRACTION | 184 | [I31-8, 8-12.a], [I31-0, 2.3.3] |
| RAD | rd | absorbed dose of ionizing radiation | For any ionizing radiation, the energy imparted to an element of irradiated matter divided by the mass of this element. 1 rad = 1 cGy = 10-2 Gy (exactly). |
ABSORBED_DOSE | 185 | [I31-10, 10-51.a (remarks)], [I1000, Annex A 10-51.2] |
| REM | rem | dose equivalent of ionizing radiation | The product of D, Q and N, at the point of interest in tissue, where D is the absorbed dose, Q is the quality factor and N is the product of any other modifying factors. 1 rem = 1 cSv = 10-2 Sv (exactly). |
DOSE_EQUIVALENT | 190 | [I31-10, 10-52.a (remarks)], [I1000, Annex A 10-52] |
| ROENTGEN | R | exposure of ionizing radiation | The total electric charge of the ions of the same sign produced when all the electrons (negative and positive) liberated by photons in an element of air are stopped in air, divided by the mass of that element. 1 R = 2,58 x 104 C/kg (exactly). |
EXPOSURE | 191 | [I31-10, 10-58.a (remarks)], [I1000, Annex A 10-58] |
| TON | ton | mass | 1 ton (US) = 907,184 7 kg (exactly). | MASS | 217 | [I31-3, 3-1.B.e] |
| YEAR | a | time (annum) | The time that elapses between two successive passages of the <SUN> through the vernal equinox. 1 year = 365,242 20 d = 31 556 926 s (approximately). |
TIME | 245 | [I31-1, 1-7.B.a] |
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