| The sodium sulphite method has the advantages of being clean and neat, and of requiring no nitration. |
| Under pre-war conditions, the largest use in the United States was in the manufacture of paper pulp by the sulphite process. |
| Classifying the colours individually, the note says the black paste contains lead oxide, green has copper sulphate and the red has mercury sulphite. |
| A mixture of sulphite of calcium, chalk, and carbolic acid, or of sulphite and carbonate of lime. |
| The solution is diluted with water, and treated with a solution of sulphite of soda. |
| Among the better known agents which have such an effect upon latex, formalin and sodium sulphite are the chief. |
