potassium bromide 99.5% usp

payment method: lc at sight or tt advance
item specification
content(as kbr) % ≥ 99.5
appearance white crystal or powder
degree of clearance 2#
water insoluble matter % ≤ 0.005
leads(as pb) ppm ≤5
chlorides (as cl ) % ≤ 0.2
sulphates (as so4 ) % ≤ 0.002
ph 5.5—8.5
bromates (as br) % ≤ 0.001
iodine % ≤ 0.005
iron (as fe) ppm ≤ 2
total nitrogen ≤ 0.002
sodium( as na) % ≤0.02
calcium % ≤0.002
magnesium % ≤0.0005
barium % ≤ 0.002

7758-02-3