IRS Alcohol Hydrometer Corrections | Avogadro's Lab Supply

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IRS Alcohol Hydrometer Corrections

Table 1970A  U.S. Internal Revenue Service

Temperature Correction Table for Alcohol Hydrometers calibrated at 60 °F

Proof Reading

51 to 59 °F 61 to 70 °F 71 to 80 °F 81 to 90 °F
 

Add

Subtract

Subtract

Subtract

 10

0.08

0.13

0.16

0.19

20

0.12

0.16

0.20

0.23

 30

0.20

0.23

0.25

0.26

40

0.29

0.30

0.30

0.30

 50

0.37

0.35

0.35

0.35

60

0.42

0.39

0.38

0.38

 70

0.41

0.40

0.41

0.41

80

0.40

0.40

0.41

0.41

 90

0.38

0.39

0.39

0.40

100

0.37

0.37

0.37

0.38

 110

0.36

0.36

0.37

0.38

120

0.34

0.35

0.36

0.36

 130

0.33

0.34

0.35

0.35

140

0.32

0.33

0.34

0.34

 150

0.31

0.32

0.32

0.33

160

0.29

0.31

0.31

0.32

 170

0.28

0.29

0.29

0.30

180

0.25

0.26

0.27

0.28

 190

0.21

0.22

0.24

0.25

200

----

0.17

0.18

0.20

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