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37 |
IMAGE TECHNOLOGY |
Photography |
Photographic chemicals |
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| MS 744 : 1981 | |
| Specification for photographic grade sodium thiosulphate, anhydrous. | |
| Specifies purity requirements and test methods to determine pH value, sulphide, heavy metals, iron and matters insoluble in ammonia solution. | |
| Price Code : B | |
| MS 745 : 1981 | |
| Specification for photographic grade sodium thiosulphate, crystalline. | |
| Specifies purity requirements and test methods for assay, pH value, sulphide content, heavy metals, iron and calcium, magnesium and other matters insoluble in ammonia solution. | |
| Price Code : B | |
| MS 746 : 1981 | |
| Specification for photographic grade sodium sulphite, anhydrous. | |
| Provides purity requirements and test methods on assay, thiosulphate content, alkalinity, heavy metals, iron, calcium, magnesium and other matters insoluble in ammonia solution. | |
| Price Code : B | |
| MS 755 : 1981 | |
| Specification for photographic grade sodium metabisulphite anhydrous. | |
| Specifies purity requirements and test methods including assay, limit test for thiosulphate, heavy metals iron pH value - reaction to ammoniacal silver nitrate. | |
| Price Code : B | |
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