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GB/T 23595.5-2009 Active
GB/T 23595.5-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 5:Determination of pH value
Abstract
This section specifies the method for determining the pH value of rare earth yellow phosphors used in white LED lamps excited by blue light with wavelengths of 440 nm to 480 nm.
This section is applicable to the determination of the pH value of rare earth yellow phosphors used in white LED lamps excited by blue light with wavelengths of 440 nm to 480 nm. The measurement range is pH0 to pH14.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 23595.5-2009 |
| CCS | Analysis methods for rare metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2010-02-01 |
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