Ammonium chronate

MDL：
MFCD00015958

Molecular Formula：
H8CrN2O4；(NH4)2CrO4

Molecular Weight：
152.07

Alias：
Neutral ammonium chromate

Product order：

Name	Specifications	Packing	Price	Delivery
Ammonium chronate	AR	500g	RMB 88	Consulting service
Ammonium chronate	CP	500g	RMB 88	Consulting service

Character：
黄色结晶。在空气中失去部分氨。溶于水。具有氧化性，有毒。

Quality Standard：
Q/(HG)SJ 678-95
项目Item                                                     分析纯   化学纯
                                                              (AR)    (CP)
含量［(NH4)2CrO4］Assay,%                                   ≥99.5   99.0
水不溶物Insoluble matter in water,%                         ≤0.003  0.005
氯化物(Cl)Chloride,%                                        ≤0.001  0.004
硫酸盐(SO4)Sulfate,%　                                      ≤0.015  0.05
钙(Ca)Calcium,%                                             ≤0.004  0.01
碱金属(以磷酸盐计)Alkali metals,%                            ≤0.2    0.4

Storage：
密封干燥保存。
媒染剂，照像，分析试剂，催化剂，腐蚀抑制剂