Main use: This product is widely used in textile dyeing and surface treatment of metal chelating agents, acid-base balance agents, iron and steel surface cleaner, glass cleaner, cement blending agent, water stabilizer, plating, aluminum oxide coloring, etc...Packaging: Plastic woven bag, net weight 25 kg. Storage and transport: This product should be stored in dry, ventilated and clean environment, well, storage of 2 years. This product is in transit, according to general chemical transport, non-dangerous goods, prevent sunlight, rain.
Item | Standard | ||
Industrial grade | Food grade | Refining grade | |
Identifications | Meet the specifications | Meet the specifications | Meet the specifications |
Assay, % | ¡Ý 98.0 | 98.0 ¡«102.0 | 99.0 ¡«102.0 |
Drying loss, % | ¡Ü 0.50 | ¡Ü 0.30 | ¡Ü 0.30 |
Heavy metal, ¦Ìg/g | ¡Ü 0.002 | ¡Ü0.002 | ¡Ü 0.002 |
Sulphate, % | ¡Ü 0.05 | ¡Ü 0.03 | ¡Ü 0.02 |
Chloride, % | ¡Ü 0.05 | ¡Ü 0.03 | ¡Ü 0.03 |
Reduzate, % | ¡Ü 0.50 | ¡Ü 0.30 | ¡Ü 0.50 |
Lead, ¦Ìg/g | ¡Ü 0.001 | ¡Ü 0.001 | ¡Ü 0.001 |
Solubility(1.0g , 10ml water) |
| ÎÞÉ«£¬¼¸ºõ³ÎÇå | ÎÞÉ«£¬¼¸ºõ³ÎÇå |
PH | 6.5 ¡«7.8 | 6.5 ¡«7.8 | 6.5 ¡«7.8 |
Arsenic salt, ¦Ìg/g | ¡Ü 3 | ¡Ü 2 | ¡Ü 2 |
Sodium Gluconate(Industry grade and Food garde)