PSr 1;2;2Т Silver powder (silver bulk solid) Ag

 PSr 1 (silver powder) Ag, PSr-2T (silver powder) Ag 

Rate/Index

 Standard requirements     TU 26 11-003-44460240-2015 «PSr-1»

 Standard requirements TU 26 11-003-44460240-2015 «PSr-2T»

Mass content of silver (Ag), %, not less than

99.9

99,9

Mass content of related substances, %, not above:

- cupurum (Cu)

0.005

0.005

- ferrum (Fe), zink(Zn), plumbum (Pb),bismuth(Bi), antimony(Sb), aluminium (Al), %,        in the amount of

0.010

0.01

- sulphate (SO4) 

0.004

0.004

- nitrate (NO3

0.001

0.001

Mass content of damp/humidity, %, not above:

0.030

0.03

Mass content of hydrogen nitrate-insoluble chemical agents, %, not above:

0.050

0.05

Grain size distribution, scalper – 016 (GHOST 6613-86), %, not above

3.0

                    4.0

Tamped density, gr/cm3

1,8-2,0

1,8-2,4

Powder flow time, gr/sec, not less than

-

7.0