what is ascorbic acid used for

Characteristics of electromagnetic flowmeter The working principle of the electromagnetic flowmeter is based on the law of electromagnetic induction. ...

... R407c Refrigerant Gas Product Description R407C Physical Property Molecular weight 86.2 Boiling point, ºC -43.8 Critical Temperature, ºC 86.74 ...

..., strong hydrofluoric , strong base and heat up to 200~220℃, to deliver wafers in & base process of Fabrication factory. Capacitor...

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... 2. without installation 3. Small size and convenient operation 4. Keeping in the fridge and enjoy ice water in the summer. 5. Coconut shell act...

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...filtering precision High cleanliness of cartridge material makes no secondary pollution Good chemical stability: resists alkaline, and chemica...

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... B12) Potassium /Potassium L- Potassium Orotate Polyquaternium-10/PQ-10 1,3-Dihydroxy (DHA) Orotic Monohydrate Orotic A...

... same performance of corrosion resistance. This valve has good at throttles with advantage of corrosion resistance and abrasion resistance, reliabl...

...,CAS NO.:298-12-4 Specification of glyoxylic 50%: 1.Appearance:colorless or light yellow liquid 2.Assay:50%MIN 3.Oxalic : 1% max;...

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... Dermal Filler Injectable Gel Ultra 4 is an injectable filler with hyaluronic for correction of deep facial wrinkles, folds and lines...