1.77 g/mL at 25 °C(lit.)

5.0-6.0 (25 °C, 1 M in H2O)

>280 °C (dec.)(lit.)

: soluble, clear, colorless

traceable to NIST SRM 194

analytical standard

(NH4)2SO4

≥99.5%

≤0.1% loss on drying, 110°C

21.20%±0.10% total Kjeldahl nitrogen

1

BS4500000