技术规格说明书
产品名称
偶氮甲碱-H 单钠盐 水合物 p.a.
产品编号
11635
产品品牌
SIGMA
化学文摘社编号
206752-32-1
分子量
445.40 (anhydrous basis)
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Yellow to Very Dark Yellow and Orange to Very Dark Orange |
| APPEARANCE (FORM) | Powder |
| THIN LAYER CHROMATOGR. | CORRESPONDS TO STANDARD |
| SOLUBILITY (COLOR) | 0.5G IN 10ML 1M SODIUM HYDROXIDE |
| SOLUBILITY (METHOD) | 0.5G IN 10ML 1M SODIUM HYDROXIDE |
| WATER | ≤ 8.0 % |
| SULFATED ASH | 10 - 30 % |
| CARBON CONTENT | 48.22 % (THEORY) |
| HYDROGEN CONTENT | 3.09 % (THEORY) |
| NITROGEN CONTENT | 3.31 % (THEORY) |
| WAVELENGTH (1) (UV) | 231 - 241 nm |
| EXTINCTION (1%/1CM) (1) (UV) | ≥ 1100 |
| SOLVENT (UV) | BUFFER PH 5.0 |
| APPLICATION TEST | SUITABLE FOR DETERMINATION OF BORON (TESTED BY BORIC ACID/L-ASCORBIC ACID METHOD) |