| 1. | Test method for chromic oxide in leather perchloric acid oxidation 皮革中氧化铬的测试方法 |
| 2. | Determination of starch content in textiles via perchloric acid 高氯酸脱水重量法测定矿石中高含量硅 |
| 3. | Determination of msg in adulterated weijing with perchloric acid titration method 电位滴定法测定苯甲酸钠含量 |
| 4. | Chemical reagent - perchloric acid 化学试剂高氯酸 |
| 5. | Highly purified perchloric acid 高提纯过氯酸 |
| 6. | The perchloric acid deehydration - gravimetric method for the determination ofsilicon content 高氯酸脱水重量法测定硅量 |
| 7. | The perchloric acid dehydration - gravimetric method for the determination of silicen content 高氯酸脱水重量法测定硅量 |
| 8. | The perchloric acid dehydration - gravimetric method for the determination of silicon content 高氯酸脱水重量法测定硅量 |
| 9. | Standard test method for chromic oxide in ashed wet blue perchloric acid oxidation 灰化湿铬鞣革中氧化铬的标准测试方法 |
| 10. | Determination of tungsten content in steel and alloys by perchloric acid oxidation photometric method 重铬酸钾无汞测铁法 |