共找到 150 条与 硫酸 相关的标准，共 10 页
本标准适用于用作试剂化学品的硫酸氢钾。
Potassium Hydrogen Sulfate (Potassium Bisulfate)
Thh rpecldatioa WU approved by the Wm Department u d the Narr Dopartmeat for OIC of procuremeat wrrlm of tb! Arm? And tho Nav and mpentd.i the !oiioWín# rp.ctdaüon.
ACID, SULFURIC AND OLEUM
This notice should be filed in fiont of JAN-A- 179, dated 31 January 1945
ACID, SULFURIC AND OLEUM
Sodium hydrogen sulfate monohydrate
Copper sulphate. Determination of acidity as sulphuric acid
Sodium pyrosulfite(Sodium metabisulfite)
Sulfate of sulfite residue
Sodium pyrosulfite(Sodium metabisulfite)
Sodium pyrosulfite(Sodium metabisulfite)
Sodium pyrosulfite(Sodium metabisulfite)
本标准规定了工业用焦亚硫酸钠的要求。
Sodium pyrosulfite (sodium metabisulfite)
This standard prescribes types, requirements, packing, marking and labelling, sampling, testing and criteria for conformity of sulfuric acid and oleum for industrial use.
SULFURIC ACID AND OLEUM FOR INDUSTRIAL USE
Spracovateí: Pova?ské chemické závody, n. p., ?ilina — Ing. Pe?eňová Pracovník ??adu p?e normalizáciu a meranie: Ing. Eckschlagerová
Sodium metabisulphite (sodium pyro- ulphite)
This East African Standard specifies requirements, sampling and test methods for ammonium sulphate (sulphate of ammonia) fertilizer.
Fertilizers — Ammonium sulphate (sulphate of ammonia) — Specification
The principle consists in dissolution of a test portion and precipitation of the sulphate ions by barium chloride in boiling acid medium. Filtration, washing and ignition of the precipitate. Weighing the barium sulphate.
Potassium sulphate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
