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GB/T 20432.4-2006 Active
GB/T 20432.4-2006 Photography—Photographic-grade chemicals—Test methods—Part 4:Determination of residue after ignition
Abstract
This part of GB/T 20432 specifies the general test method for the determination of the burn residue of photographic-grade chemicals. Note: For many chemicals, this residue is often used for the analysis of heavy metals and iron content.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20432.4-2006 |
| CCS | Photographic-grade chemicals |
| ICS | Photographic chemicals |
| Implement Date | 2006-11-01 |
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