Required Reagents
S. No. Reagents
1 Nitrification inhibitor
2 Buffer solution
3 Glucose-glutamic acid solution
4 Phosphate buffer
5 Ferric chloride
6 Hgso4 (mercury sulfate)
7 Stalk fluoride solution
8 Total ionic adjustment buffer
9 1,2-cyclohexylenediamine tetraacetic acid
10 Ferrous indicator
11 Anhydrous sodium sulfate
12 Bacl2 (barium chloride)
13 EDTA solution
14 Silver nitrate
15 Stalk silica solution
16 Silica standard working solution
17 Reducing agent
18 Nh4OH (Ammonium hydroxide)
19 Ethyl alcohol
20 Murexide indicator
21 EDTA sodium salt
22 Erichrome black T indicator
23 Inhibitor
s.no. Reagents Amount
BOD
1 Mgso4 (magnesium sulfate) extra pure 500g
Alkali iodide azide -
Sodium thiosulfate 1M (1N) 1lit
Starch solution 125ml
Phosphate buffer 1lit
Glucose-glutamic acid solution 500ml
Nitrification inhibitor 35g
Ferric chloride 500g
COD
Hgso4 (mercury sulfate) 100g
Ferroin indicator 100ml
Oil and grease
Anhydrous sodium sulfate -
Sulfate (SO4)
Buffer solution -
Bacl2 500g
HARDNESS
Erichrome black T 25g
Standard EDTA solution 0.01M 100g
Murexide indicator 100ml
CL (chloride)
AgNO3 (Silver nitrate) 0.02N 10g
Silica
Oxalic acid solution 100ml
Redusing agent 200ml
Silica standard working solution -
Fluride (F)
Glacial acetic acid 100ml
Ethyl alcohol 100ml
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