EDTA－4Na C10H12N2Na4O8
EDTA－2NA
| LOT . NO . | 2ZH－6 | 2ZH－7 | 2ZH－8 | 2ZH－9 | 2ZH－10 |
| APPEARANCE |
WITH |
POWDER |
|||
| PH OF 5 % SOLN |
4.33 |
4.34 |
4.35 |
4.39 |
4.38 |
| CHELATING VALUE (CACO3) Mg / g |
256.4 |
256.4 |
259.6 |
259.0 |
258.2 |
| PURITY ( % ) |
95.3 |
95.3 |
96.5 |
96.3 |
96 |
EDTA－4Na ( BASF )
| PHYSICAL FORM | COLOURLESS POWDER |
| REL.MOL.MASS ( g/MOLE ) | 380 |
| ACTIVE SUBSTANCE ( MASS FRACTION IN % )( a ) IN TERM OF THE TETRASODIUM SALT( b ) IN TERM OF THE DISODIUM SALT | Ca. 87Ca. 67 |
| WATER ( MASS FRACTION IN % ) | Ca. 5 |
| BULK DENSITY ( Kg/1 ) | Ca. 0.65 |
| PH VALUE OF 1 % SOLUTION | Ca. 11.3 |
| ODOR | FAINT |
| COLOR | WHITE |
| APPARENT DENSITY | 0.5－0.6 |
| SOLUBILITY AT 20℃ | ABOUT 100g IN 100cu.cm OF DISTILLED WATER |
| MOISTURE ABSORPTION24H. AT 65 % RH24H. AT 50 % RH | ABOUT 18 % MOISTURE REGAINABOUT 12 % MOISTURE REGAIN |
| ODOR | FAINT |
| COLOR | WHITE |
| APPARENT DENSITY | 0.5－0.6 |
| SOLUBILITY AT 20℃ | ABOUT 100g IN 100cu.cm OF DISTILLED WATER |
| MOISTURE ABSORPTION24H. AT 65 % RH24H. AT 50 % RH | ABOUT 18 % MOISTURE REGAINABOUT 12 % MOISTURE REGAIN |
|
性 质 |
用 途 |
备 注 |
| 无水的或H2O物.白色粉末.极易溶于水。 | 一般用途的蛪合剂。 | 西德BASF |