Product name - acid blue 9 200%
Type - triphenylmethane series
***** no. - 42090
***** criteria test requirment
1 appearance : dark blue powder
2 solubility : 100 gms / lit. (min.)
3 loss on drying : 6 % max. (w/w at 105 deg. C.)
4 dye content : 65% (+ or û 2%).
5 uv absorption : 0.406 to 0.440abs at 630 nm of 0.0004% w/v solution
6 ph of 2% w/v soln. : 5.5 to 7.5 at 28 deg. C
7 water insoluble : 0.2% max.
8 dusting property : yes / no (as per requirement)
9 bulk density : 0.75 to 0.85 gm/cc
10 subsidary dyes : 3 (percent by mass max.)
11 dye intermediates : 6.8 (ebasa 0.3, obsa 1.5, leuco base 5) ( percent by mass max.)
Acid violet 17 (300%)
Type : triphenylmethane series
***** no. 42650
Appearance : dark violet powder
Solubility : 50 gms / lit. (min)
Loss on drying : 4%max. (w/w at 105 deg. C.)
Shade & strength : comparable to standard (300%)
Uv absorption : 0.750 abs at 548 nm of 0.001% w/v solution
Ph of 2% w/v soln. : 6.5 to 7.5
Water insoluble : 0.5% max
Dusting property : yes / no (as per sample)
Bulk density : 0.65 to 0.70 gm/cc
Confirm to standard: ir spectrum should match the standard
Alkaline med. (10 ph) : blue
Acidic med. (2 ph) : green
Acid violet 49 (300%)
Type : triphenylmethane series
Ci no. 42640
Appearance : dark violet powder
Solubility : 50 gms / lit. (min)
Loss on drying : 4%max. (w/w at 105 deg. C.)
Shade & strength: comparable to standard (300%)
Uv absorption : 0.750 abs at 548 nm of 0.001% w/v solution
Ph of 2% w/v soln. : 6.5 to 7.5
Water insoluble : 0.5% max
Dusting property : yes / no (as per sample)
Bulk density : 0.65 to 0.70 gm/cc
Confirm to standard : ir spectrum should match the standard
Alkaline med. (10 ph) : blue
Acidic med. (2 ph) : green
25 kg hdpe drums/barrels
