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meta-Phosphoric acid

Molecular Structure:
MDL:
MFCD00011351
Molecular Formula:
HPO3
Molecular Weight:
85.97
Alias:
冰磷酸,二缩原磷酸 Metaphosphoric acid meta Phosphoric acid
Product order:
Name Specifications Packing Price Delivery
meta-Phosphoric acid AR 500g RMB 132 促销
meta-Phosphoric acid CP 500g RMB 132 Consulting service
Character:
无色透明玻璃状固体或质软的丝状物。易吸湿。红热时挥发。溶于乙醇。冷水中溶解极缓慢,并缓缓变为正磷酸,如加热沸腾则变化极快。有腐蚀性。
密度:2.2-2.488
Quality Standard:
项目Item                          分析纯   化学纯
                                            (AR)     (CP)
含量(HPO3)Assay,%                      ≥ 35.0     35.0
氯化物(Cl)Chloride,%                      ≤ 0.001    0.002
硫酸盐(SO4)Sulfate,%                      ≤ 0.01     0.02  
硝酸盐(NO3)Nitrate,%                      ≤ 0.002    0.01
铁(Fe)Iron,%                              ≤ 0.005    0.003
砷(As)Arsenic,%                           ≤ 0.0002   0.0002
重金属(以Pb计)Heavy metals,%              ≤ 0.002    0.002
二氯酚吲哚酚钠还原物2,6-Dichloroindophenol
sodium reducing substances                  合格      合格
还原高锰酸钾物质Potassium permanganate      合格      合格
reducing substances
Storage:
密封保存。
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