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DIBLE SALT IS: 253-1985
Specification is prescribed for common salt, table salt and dairy salt. Table salt and dairy salt is refined common salt coated with permitted anti-caking agents. Dairy salt is a refined common salt obtained by forced evaporated of treated brine.
The moisture content shall not be more than 6 % in respect of common salt and 0.5 % in respect of table and dairy salt.
The other important characteristic for common salt is that material shell be crystalline white solid. Common salt produced by solar evaporation may not contain anti-caking Agent.
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| CHARACTERISTICS OF COMMON SALT |
| S.No. | Characteristics | Requirement common salt |
| 1 | Chloride content percent by mass, min | 96.0 |
| 2 | Water insoluble matter percent by mass, max | 1.0 |
| 3 | Matter soluble in water other than sodium chloride percent by mass, max | 3.0 |
| 4 | Acid Insoluble matter percent by mass, max | -NA- |
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| The table salt shall be coated with suitable free flowing agents such as light basic magnesium carbonate, calcium carbonate, tricalcium phosphate, calcium silicate and aluminium silicate. |
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| EDIBLE COMMON SALT UNDER PFA ACT. |
| As per the notifications No. GSR23 (E) dated 16.1.1981 and GSR 764 (E) dated 15.11.1984 the following specefication (on dry basis ) |
| S.No. | Characteristics | Requirement common salt |
| 1 | Moisture, present by wt. Of the undried sample max | 6.0 |
| 2 | Sodium cloride, percent by wt. Min | 96.0 |
| 3 | Matter insoluble percent by wt. Max | 1.0 |
| 4 | Mattersoluble in water other than sodium cloride
percent by wt. Max | 3.0 |
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Further, table salt may contain the following ant-caking agents in quantities not exceeding 2.0 either singly or in combination, namely:
1. Carbonates of calcium and magnesium
2. Phophate of calcium and megnesium
3. Silicates of calcium, magnesium, aluminium or sodium or silicon dioxide
4. Myristates, palmitates or atearates of aluminium, ammonium, calcium, potesium or sodium |
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| PRESCRIBED PARAMETERS FOR TABLE SALT (UNDER IS) . |
| S.No. | Characteristics | Requirement common salt |
| 1 | Calcium (as Ca) water-soluble percent by mass max. | 0.10 |
| 2 | Magnesium (as Mg) Water soluble percent by mass, max | 0.10 |
| 3 | Sulphate ( as SO4) percent by mass, max. | 0.50 |
| 4 | Acid Insoluble matter percent by mass, max | .20 |
| 5 | Lead (as Na2 CO3), ppm max | 2.0 |
| 6 | Iron (as Fe), ppm max | 50.0 |
| 7 | Arsenic (as As) ppm max | 1.00 |
| 8 | Copper (as Cu) ppm max | -NA- |
| 9 | Chloride content percent by mass, min | 97.0 |
| 10 | Water insoluble matter percent by mass, max | 2.2 |
| 11 | Acid Insoluble matter percent by mass, max | 1.5 |
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| PRESCRIBED PARAMETERS FOR DAIRY SALT (UNDER IS) |
| S.No. | Characteristics | Requirement common salt |
| 1 | Calcium (as Ca) water-soluble percent by mass max. | 0.10 |
| 2 | Magnesium (as Mg) Water soluble percent by mass, max | 0.10 |
| 3 | Sulphate ( as SO4) percent by mass, max. | 0.50 |
| 4 | Acid Insoluble matter percent by mass, max | 0.20 |
| 5 | Lead (as Na2 CO3), ppm max | 2.0 |
| 6 | Iron (as Fe), ppm max | 50.0 |
| 7 | Arsenic (as As) ppm max | 1.00 |
| 8 | Copper (as Cu) ppm max | -NA- |
| 9 | Chloride content percent by mass, min | 97.0 |
| 10 | Water insoluble matter percent by mass, max | 2.2 |
| 11 | Acid Insoluble matter percent by mass, max | 1.5 |
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| PRESCRIBED PARAMETERS FOR DAIRY SALT (UNDER IS) |
| S.No. | Characteristics | Requirement common salt |
| 1 | Calcium (as Ca) water-soluble percent by mass max. | 0.01 |
| 2 | Magnesium (as Mg) Water soluble percent by mass, max | 0.01 |
| 3 | Sulphate ( as SO4) percent by mass, max. | 0.30 |
| 4 | Acid Insoluble matter percent by mass, max | 0.10 |
| 5 | Lead (as Na2 CO3), ppm max | 2.00 |
| 6 | Iron (as Fe), ppm max | 10.0 |
| 7 | Arsenic (as As) ppm max | 1.00 |
| 8 | Copper (as Cu) ppm max | 2.00 |
| 9 | Chloride content percent by mass, min | 99.6 |
| 10 | Water insoluble matter percent by mass, max | 0.03 |
| 11 | Acid Insoluble matter percent by mass, max | -NA- |
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| IODISED SALT:IS: 7224 - 1985 |
Iodine is essential component of thyroid hormones, which are needed for :
• Optimal mental & physical development
• Regulation of body metabolism (General & Utilization of body energy)
As per IS standard, the iodizing chemical normally recommended under tropical condition is potassium iodate Daily requirement of iodine |
| AGE GROUP | IODINE REQUIRMENT
(g/day) |
| 0-11 months | 50 |
| 12-59 months | 90 |
| 6-12 Year | 120 |
| >= 12 Year | 200 |
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| CHARACTERISTICS OF IODATE SALT (UNDER IS) |
| S.No. | Characteristics | Requirement edible common salt |
| 1 | Chloride content (as NaCl) percent by mass, min | 96.0 |
| 2 | Iodine content , ppm Min | 1.0 |
| 3 | Mattersoluble in water other than sodium cliride , percent by wt. Max | 20.0 |
| 4 | Acid Insoluble matter percent by mass, max | 3.0 |
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| The moisture content shall not be more than 6% by mass. The iodised salt shall be packed in jute bags having inside polyethylene linear, close woven jute bags & HDEP bags. |
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| IODISED SALT UNDER PFA ACT |
| Iodised salt may contain aluminium silicate as an anticaking agent to a maximum extent of 2.0 percent by weight, provided that the total matter insoluble in water shall not exceed 2.2 percent and sodium chloride content shall not be less than 97.0 percent by weight. As per the notification dated 10.11.1987, the specification is as follows: |
| S.No. | Characteristics | Requirement edible Iodised salt |
| 1 | Moisture, present by wt. Of the undried sample max | 6.0 |
| 2 | Sodium chloride, percent by wt. Min | 96.0 |
| 3 | Matter insoluble percent by wt. Max | 1.0 |
| 4 | Mattersoluble in water other than sodium cliride , percent by wt. Max | 3.0 |
| 4 | Iodine at Manufacturers level ppm min | 30.0 |
| 4 | Iodine at distribution channel including retail level, ppm | 15 |
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