kodak Sodium Sulfite, 1lb. used on polaroid film

The product is a 1lb container of Sodium Sulfite manufactured by ChemCenter in the United States. This chemical is commonly used in the Polaroid film processing to prevent the film from turning dark due to oxidation. It is a laboratory chemical that serves as a reducing agent in various chemical reactions. The product is essential for maintaining the quality and longevity of Polaroid film in storage.it also was used to remove the developer on polaroid film.I used it once and the container weighs 1lb 1.5 oz.

Sodium Thiosulfate, Ultra Pure, Ultra Fine Crystal, 500 grams

You are purchasing 500 grams of Ultra Pure Sodium Thiosulfate, Pentahydrate crystals. Purity is 100.0 +% (USP testing specs) YOUR SAMPLE will come from a 50 kg drum. Buyer assumes all liability for the use of this item. Buyer agrees to use this item in accordance with all local, state, and federal laws. This is for laboratory and scientific use only! Shipping will comply with all USPS regulations. Item is NOT regulated by the DOT.