磷酸二氫銨 AR500g

磷酸二氫銨 AR500g
Ammonium Biphosphate
CAS NO:7722-76-1

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描述

Catalog No.XLAR7722-76-1.0500

CAS No.7722-76-1

Formula:NH4H2PO4

Capacity:500g

Specification
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Assay(NH4H2PO4)……………………………………………………………. ≥99.0%
pH(50g/L solution,25℃)…………………………………………..………. 4.0-4.5
Clearness index test …………………………….………..……………..Pass test
Water insoluble matters…………………………………………….………. ≤0.005%
Chloride(Cl)…………………………………………………………….……… ≤0.0005%
Sulfide(as SO4)……………………………………………………..………… ≤0.005%
Nitrate(NO3)………………………………………………………………. ≤0.001%
Sodium(Na)…………………………………………………………………………. ≤0.005%
Potassium(K)………………………………………………………………………. ≤0.005%
Iron(Fe)………………………………………………………………………………..≤0.001%
Arsenic(As)………………………………………………………………………… ≤0.0005%
Heavy metal(as Pb)…………………………………………………………….. ≤0.0005%
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