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| Position: Chinese Standard in English/GB/T 12690.20-1990 |
| GB/T 12690.20-1990 Rare-earth metals and their oxides--Determination of iron content--Potassium thiocyanate, 1, 10-phenanthroline spectrophotometric method (English Version) | |||
| Standard No.: | GB/T 12690.20-1990 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 1500 words | Price(USD): | 180.00 remind me the price change |
| Implemented on: | 1992-1-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB/T 12690.20-1990 |
| English Name: | Rare-earth metals and their oxides--Determination of iron content--Potassium thiocyanate, 1, 10-phenanthroline spectrophotometric method |
| Chinese Name: | 稀土金属及其氧化物化学分析方法 硫氰酸钾,1,10-二氮杂菲分光光度法测定铁量 |
| Chinese Classification: | H14 Rare metals and their alloys analysis method |
| Professional Classification: | GB National Standard |
| ICS Classification: | 77.120.70 Cadmium, cobalt and their alloys |
| Issued on: | 1990-01-02 |
| Implemented on: | 1992-1-1 |
| Status: | superseded |
| Superseded by: | GB/T 12690.6-2003 Praseodymium oxide-Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide |
| Superseding: | YB 1509-1977 |
| Language: | English |
| File Format: | |
| Word Count: | 1500 words |
| Price(USD): | 180.00 |
| Delivery: | via email in 1~3 business day |