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Potassium phosphate dibasic

Molecular Structure:
MDL:
MFCD00149926
Molecular Formula:
K2HPO4·3H2O
Molecular Weight:
174.15926
Alias:
磷酸氢二钾,磷酸氢二钾三水合物 di-Potassium hydrogen phosphate trihydrate Dipotassium hydrogen phosphate trihydrate Dipotassium phosphate
Product order:
Name Specifications Packing Price Delivery
Potassium phosphate dibasic AR 500g RMB 49.5 Consulting service
Potassium phosphate dibasic CP 500g RMB 22 Consulting service
Potassium phosphate dibasic SP 25g RMB 88 Consulting service
Potassium phosphate dibasic 4N 25g RMB 88 Consulting service
Character:
白色结晶或无定形粉末。易吸潮,灼烧后成焦磷酸盐。易溶于水,微溶于醇,其水溶液对酚酞呈微碱性。 
Quality Standard:
GB/T3-1228-79
项目ltem                       分析纯   化学纯
                                        (AR)       (CP)
含量(K2HPO4•3H2O)Assay,%        ≥ 99.0      97.0
水溶液反应Water solution reaction       合格    合格
澄清度试验Clarity                       合格    合格
水不溶物lnsoluble matter in water,% ≤ 0.01      0.03
氯化物(Cl)Chloride,%             ≤ 0.002       0.005
硫酸盐(SO4)Sulfale,%             ≤ 0.01        0.03
硝酸盐(NO3)Nitrate,%             ≤ 0.001       0.003
钠(Na)Sodium,%                     ≤ 0.05        0.10
镁(Mg)Magnesium,%                ≤ 0.001       0.001
铁(Fe)Iron,%                         ≤ 0.001       0.003
砷(As)Arsenic,%                      ≤ 0.0001     0.0003
重金属(以Pb计)Heavy metals,%         ≤ 0.001       0.003

基准试剂PT
纯度Assay:   99.95-100.05%

Storage:
密封保存。
配制缓冲液,阻冻剂中缓冲剂,抗菌素培养基中的营养剂。
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