Analysis No. ……. | Sample Description ............……. |
Starting time | Finishing time | |||||||
of aspiration | of aspiration (calculate | |||||||
= starting time + 15min) | ||||||||
(hr. .min.) | (hr. .min.) | |||||||
……..-…….. | + | 15 min. | = | ……..-…….. |
Initial | Interim | Final | Titre (T) | |||
burette | burette | burette | ||||
reading | reading | reading | ||||
(if required) | (final - initial) | |||||
(ml) | (ml) | (ml) | (ml) | |||
……….. | ……….. | ……….. | ……….. |
SO2 (ppm) | = | Titre ........ (ml) | * | 16 | (see calculations) | |
= | .......... ppm |
Otherwise | ||||||||||
X | = | Molarity of aprox. 0.01 M NaOH | = | ............. | M | | ||||
V | = | Volume of .......... ml |
Titre ........ (ml) * 16 * 20 (ml) * X ........ (M) | |||||
Then SO2 (ppm) | = | ---------------------------------------------- | = ......... ppm | ||
0.0100 (M) * V ........ (ml) |