Нет 027 безводный сульфит натрия Na2SO3

Anhydrous Sodium sulfiteAppearance : white crystalline powder . Molecular formula : Na2SO3 Packing : double-layer plastic woven bag. Melting Point:500 ºC Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food . Quality standard : Q/320124JM02-2003 Index name Premium grade Super grade First grade Salable product Industrial grade Sodium sulfite ( Na2SO3 ) , % ≥ 97.0 96.0 93.0 90.0 Fe , ?≤ 0.003 0.005 0.01 / Water insoluble matter , % ≤ 0.02 0.03 0.05 / Free alkali ( as Na2SO3 ) , % ≤ 0.10 0.40 0.60 / Na2SO4 , % ≤ 2.50 / / / NaCl , % ≤ 0.10 / / / Package Storage and transportation: 1. Plastic film-lined PP woven bag, Net weight per bag: 25Kg or 50Kg. 2. Not allowed in a room with any oxidant or strong acid, and keep away from an oxidation by air or humidity. 3. Keep away from sunlight and humidity during its transportation. 4. Storage life: No more than half year from ex-factory date. Company : Hunan Yueyang Sanxiang Chemical Co., Ltd. Address : Qilishan community, Yueyang, Hunan, China Tel : +86-730-8555768 Fax :+86-730-8555728 Contact : KIMBERLY +86-13907300718