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Part I PERMITTED EXTRACTION SOLVENTS

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

Column 1Column 2
Extraction solvent (see note 1)Detailed description of extraction solvent

Notes

  1. 1.

    The extraction solvents listed in Column 1 above shall satisfy the following general purity criteria–

    1. (a)

      subject to sub-paragraph (b) below they shall not contain a toxicologically dangerous amount of any element or substance;

    2. (b)

      they shall not contain more than 1 mg/kg of, respectively, arsenic or lead.

  2. 2.

    The combined use of Hexane and Ethylmethylketone is not permitted.

1

Propane

2

Butane

3

Butyl acetate

4

Ethyl acetate

5

Ethanol

6

Carbon Dioxide

7

Acetone

8

Nitrous Oxide

9

Methanol

10

Propan-2-ol

11

Hexane (see note 2)

the commercial product consisting essentially of acyclic saturated hydrocarbons containing six carbon atoms and distilling between 64°C and 70°C
12

Methyl acetate

13

Ethylmethylketone (see note 2)

containing not more than 50 mg/kg of n-Hexane
14

Dichloromethane

15

Diethyl ether

16

Butan-1-ol

17

Butan-2-ol

18

Methyl-propan-1-ol

19

Propan-1-ol