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GB/T 12938-1991 Active
GB/T 12938-1991 Determination of thiosulphate and other related residual chemicals in processed Photographic materials—Iodine-amylose, methylene blue and silver sulphide densitometric methods
General Product Information
| Committee | The China Film Science and Technology Research Institute of the Ministry of Radio, Film and Television |
|---|---|
| Document Type | National standards |
| Publisher Name | The National Technical Supervision Bureau |
| Standard Status | Active |
| Standard Code | GB/T 12938-1991 |
| CCS | Films and photography techniques |
| ICS | Photographic chemicals |
| Implement Date | 1992-05-01 |
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$ 66
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$ 66
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$ 66