| No. |
Characteristic |
Requirement |
| |
Description |
YELLOW POWDER |
| 1) |
Total colour, percent by Mass, min. |
85.00 |
| 2) |
Sum of Volatile matter at 135oC, percent by mass, & Chloride
and sulfate calculated as sodium salt percent by mass, Max. |
15.00 |
| 3) |
Matter-insoluble, in both water & chloroform percent by mass,
Max. |
00.20 |
| 4) |
Total sulfonated quinaldine, sodium salt, percent, by mass,
max |
00.20 |
| 5) |
Total sulfonated phthalic acids, sodium salts, percent by mass,
max. |
00.20 |
| 6) |
2-2(2-quinolinyl)-1H-indene-1, 3-(2H)-dione, mg/kg, max |
04.00 |
| 7) |
Sum of sodium salt of the Mono sulfonates of 2-(2-quinolinly)-1H-indene-1,
3-(2h)-dione percent, min. |
75.00 |
| 8) |
Sum of sodium salt of the di-sulfonates, 2-(2-quinolinyl)-1H-indene-1,
3(2H-dione) percent by mass, max |
15.00 |
| 9) |
2-(2, 3-Di Hydro-1, 3-Dioxo-1H-Indene-2-yl)-6, 8-Quinoline Disulfonic
Acid, Disodium Salt, percent by mass, Max |
03.00 |
| 10) |
Di Ethyl Ether Soluble Matter, Other than that, Specified, mg/kg,
Max. |
02.00 |
| 11) |
Lead (as Pb) mg/kg, Max. |
20.00 |
| 12) |
Arsenic (as As) mg/kg, Max. |
03.00 |
| 13) |
Mercury mg/kg, Max. |
01.00 |
