Sodium dihydrogen phosphate dodecahydrate, with a national standard content of 99%, is an industrial grade water treatment buffer
Category:
chemical industry/inorganic salt/Phosphorus compounds and phosphates
Model:
25kg
Brand:
Dingxin Biotechnology
main content:
≥99.0%
execution standard:
GB/T 12517-2008
appearance:
White crystal or powder
water-insoluble substance:
≤0.1%
chloride:
≤0.05%
sulfate:
≤0.05%
iron content:
≤0.005%
heavy metal:
≤0.001%
PH value (1% solution):
9.0-9.2
Packing Specification:
25kg/bag
Retail Price
10,000,000.00USD
重量
kg
- Product Description
-
main content ≥99.0%
execution standard GB/T 12517-2008
appearance White crystal or powder
water-insoluble substance ≤0.1%
chloride ≤0.05%
sulfate ≤0.05%
iron content ≤0.005%
heavy metal ≤0.001%
PH value (1% solution) 9.0-9.2
Packing Specification 25kg/bag
Description :
Sodium dihydrogen phosphate dodecahydrate is an important inorganic salt product that mainly solves the pH adjustment and buffering problems in industrial water treatment. It has good solubility in water and can provide a stable alkaline environment. It is widely used in the fields of printing and dyeing, boiler water treatment, and food additives. This product meets the requirements of national standards, with high content of active ingredients and few impurities. It is suitable for working conditions with high requirements for water quality stability and is an indispensable basic raw material in chemical production and environmental protection treatment.
The core specifications of this product are based on the national standard GB/T 12517-2008, and the main content (calculated as Na2HPO4 · 12H2O) is usually ≥ 99.0%. The appearance is colorless transparent or white crystalline particles, easily soluble in water, and the aqueous solution is weakly alkaline. Easily weathered in dry air, loses crystalline water and becomes anhydrous when heated to 100 ℃. The packaging usually uses woven bags lined with polyethylene plastic bags, with a net weight of 25kg or 50kg per bag. When stored, it should be placed in a cool, ventilated, and dry place to prevent moisture and clumping, ensuring the stability of the product's physical properties.
When selecting, it is necessary to clarify the application scenario. Industrial grade disodium hydrogen phosphate dodecahydrate is mainly used as a water softener, boiler anti scaling agent, and printing and dyeing fixing agent, and is not suitable for direct consumption or pharmaceutical injection grade. If food grade applications are required, food grade products that comply with GB 1886.335 standards should be selected, as there are strict differences in heavy metal indicators and microbial limits between the two. When purchasing, attention should be paid to the integrity of the crystal water. The effective content of products with severe weathering will decrease, affecting the calculation accuracy of the dosage. It is recommended to prioritize products with intact sealed packaging and production dates that are closer.
Attention should be paid to protection during use, avoiding inhalation of dust or direct contact with eyes. Dust masks and goggles should be worn during operation. It is recommended to use room temperature water for dissolution, stir until completely dissolved, and then add to avoid high local concentration that may cause precipitation. During daily maintenance, it is necessary to regularly check the humidity of the storage warehouse to prevent packaging damage from causing product moisture absorption or weathering failure. If severe clumping or yellowing of the product is found, it may have deteriorated and must be tested and confirmed to be qualified before use to ensure that the final treatment effect meets the standard.
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