China Factory Low Price Potassium Metabisulfite CAS 16731-55-8

China Factory Low Price Potassium Metabisulfite CAS 16731-55-8, Find details about China 16731-55-8, Potassium Metabisulfite from China Factory Low Price Potassium Metabisulfite CAS 16731-55-8

Basic Info.

Colour

Transparent

Trademark

DongDu

Transport Package

Bag Drum

Specification

25kg/Drum

Origin

China

Colour

Transparent

Trademark

DongDu

Transport Package

Bag Drum

Specification

25kg/Drum

Origin

China

Product Desciption

Product Description

Factory Price Food Grade CAS 16731-55-8 K2S2O5 Potassium Metabisulfite
The Product was colorless crystal or white crystalline powder with the relative density of 2.34 .The melting point was 150-190^oC(decomposition). The product had a flavor of sulfur dioxides and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxides was released from acidic solution and oxidized to sulfate in the air.

Potassium Metabisulfite was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating.

specification

Test item	Unit	Specification	Test method
K₂S₂O₅	g/100g	97.2	Acc.Fcc IV p.322
SO2	g/100g	56.0	calculation
K₂S₂O₃	g/100g	0.1	ISO 3629-1996(E)
Na	g/100g	2	AAS
Cl	g/kg	0.5	IC
pH-value(10%solution)	-	3.8-4.8	RCA/Q-S-066
heavy metal(measured by Pb)	mg/kg	10	AAS
Fe	mg/kg	5	ICP-AES
K₂SO₃ +K₂SO₄	mg/kg	excess material	calculation

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About Us
Hebei Dongdu Import and Export Co. LTD.. specializes in exporting high quality Research chemical,Basic chemical and plastic raw material etc.
Our products are produced on the basis of best technical team, advanced equipment, high qualified management which meet the requirements of security and environmental protection. We earned customer trust and created a good reputation during these years.
We will provide the most comprehensive products and service to you ! We are looking forward to your cooperation!

China Factory Low Price Potassium Metabisulfite CAS 16731-55-8

Packing
Powder package:
1kg ---Aluminum foil bag
10kg ---Carton box
25kg --- Kraft paper bag/ drum
Liquid package: 1L --- Fluorinated Bottle
20L/25L -----Plastic drum /fiber drum
China Factory Low Price Potassium Metabisulfite CAS 16731-55-8

Our Service

1. Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years
2. Prompt shipment with professional documents
3. Packing as your request, with photo before shipment.
4. Goods delivered directly from the factory warehouse after well produced in a high quality and good situation.
5. Competitive price
6. Testing equipment: SGS, UV, HPLC, GC, CIQ.

FAQ
Q1: When will my order be shipped?
A: Within 3 working days after the payment.

Q2: Can i get some samples?
A: Yes, contact me to know more about sample

Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.
If any doubt, sample is available to you to be tested before large quantity order.

Q4: How to start orders or make payments?
A: Payment by T/T, Western Union,MoneyGram etc .