Samples

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Test 1: Reactivity Screening of LPH 7 NE Sample

NO REACTION TO CLASS AS REACTIVE
Lab grade AN -35 days duration at 55°C

Test 1- Lab Grade AN + LPH 7 NE – no temperature rise above 2C° over a period of 7 days

Test 1- Lab Grade AN + LPH 7 NE - Low Levels of NOx visible after 35 days indicating a low level reaction between sulphide and nitrate

Test 2. Reactivity Screening of LPH 7 NE Sample with Carbonates Removed

SPONTANEOUS REACTION
Lab grade AN -20 minutes duration at 55°

Test 2- Lab Grade AN + LPH 7 NE with carbonates removed – rapid temperature rise over 20 minutes

Test 2- Lab Grade AN + LPH 7 NE with carbonates removed under test– NOx gas from first contact with AN indicating highly reactive

LPH 7 NE Sample after carbonates removed showing fine particles of Sulphide

Test 3. Inhibited Product Testing of LPH 7 NE Sample with Carbonates removed

NO REACTION
60% Rioflex MX / 40% Prill Blend -28 days at 55°C

Test 3- 60% Rioflex MX / 40% Prill Blend + LPH 7 NE with carbonates removed – no temperature rise over 28 days

Test 3 - 60% Rioflex MX / 40% Prill Blend + LPH 7 NE with carbonates removed - no NOx visible after 28 days indicating no reaction between sulphide and nitrate.

Test 4. Inhibited Product Testing of LPH 7 NE

NO REACTION

Test 4 - 60% Rioflex MX / 40% Prill Blend + LPH 7 NE – no temperature rise over 28 days

Test 4 - 70% Rioflex MX 30% Prill Blend + LPH 7 NE – no temperature rise over 28 days

Test 4 - Rioflex MX 60%/40% Prill Blend + LPH 7 NE and Rioflex MX 70%/30% Prill Blend + Waste - no NOx visible after 28 days indicating no reaction between sulphide and nitrate.

Test 4. Lab. Grade wAN with LPH 7 NE Sample at 90°C

REACTIVE

Test 4 – Lab. Grade AN + LPH 7 NE – small temperature isotherm on heating

Test 4 – Lab. Grade AN + LPH 7 NE - visible signs of reaction

Test 4 – Lab. Grade AN + LPH 7 NE - recovered melted thermocouples