铁(Fe)Iron,%                                ≤ 0.0005     0.001
砷(As)Arsenic,%                             ≤ 0.0001     0.001
可溶性的钡盐(以Ba计)Soluble barium salt,%   ≤ 0.0001     0.0005
重金属(以Pb计)Heavy metals,%                ≤ 0.0005     0.001

超细硫酸钡:

BaSO4纯度Purity                              ≥99.0%
挥发物Volatile matter                       0.2% (105℃)
PH值                                         7-9
亮度brightness                               99
平均粒径particle size                        1μm
密度Density g/ml                             4.4
折射指数Refractive index                     1.64
筛余screen floating                         〈0.004%

品级Grade                               沉淀硫酸钡 
                                    (precipitated, powder)
loss on ignition                          ≤2% 
particle size                            2.4-4.8 μm
chloride (Cl-):                          ≤1000 ppm
Ca:                                      ≤1000 ppm
Cd:                                      ≤50 ppm
Co:                                      ≤50 ppm
Cu:                                      ≤50 ppm
Fe:                                      ≤50 ppm
K:                                       ≤100 ppm
Na:                                      ≤1000 ppm
Ni:                                      ≤50 ppm
Pb:                                      ≤50 ppm
Zn:                                      ≤500 ppm

品级Grade                           美国药典USP级 
                                         (USP)
鉴别试验IDENTITY                          PASS
PH TEST                                   3.5 - 10.0
硫化物LIMIT OF SULFIDE                    ≤ 0.5 PPM
酸溶性物质LIMIT OF ACID-SOLUBLE SUBSTANCE ≤ 0.3%
可溶性钡盐LIMIT OF SOLUBLE BARIUM SALTS   ≤ 0.001%
重金属HEAVY METALS                        ≤ 0.001%
残留溶剂RESIDUAL SOLVENTS                 MEETS THE REQUIREMENTS
含量ASSAY                                 97.5% ～ 100.5%
贮存  密封保存。
用途  硝酸试粉法测定干旱作物含氮量。测定土壤消态氮。用于照相纸，人造象牙制造。橡胶填充剂。炼铜熔剂。
超细硫酸钡可作汽车漆（电著底漆、底漆、色底漆、面漆）、工业漆（彩色钢板漆、高固体含量漆、常温干燥漆、粉体涂料、烤漆、UV及EB硬化漆、容器漆、水性及油性漆）、建筑涂料（乳胶漆、水性和油性漆）、木漆涂料、印刷油墨、热塑性塑胶、热固性塑胶、弹性胶和密封胶。
联合国编号  1584
Risk：  
Safety :  S22- S24/25-