Preparation of common buffer solutions

Preparation of common buffer solutions:

PH value	Preparation method
0	1mol/lHCl
1	0.1mol/lHCl
2	0.01mol/lHCl
3.6	NaAc.3H20 8g, dissolve in an appropriate amount of water, add 6 mol/l HAc 134ml, and dilute to 500ml
4.0	NaAc.3H20 20g, dissolve in an appropriate amount of water, add 6 mol/l HAc 134ml, and dilute to500ml
4.5	NaAc.3H20 32g, dissolve in an appropriate amount of water, add 6 mol/l HAc 68 ml, and dilute to500ml
5.0	NaAc.3H20 50g, dissolve in an appropriate amount of water, add 6 mol/l HAc 34 ml, and dilute to500ml
5.7	NaAc.3H20 100g, dissolve in an appropriate amount of water, add 6 mol/l HAc 13 ml, and dilute to500ml
7	NH4Ac 77g, After dissolving with water, and dilute to500ml
7.5	NH4Cl 60g, dissolve in an appropriate amount of water, Add 1.4ml of 15 mol/l ammonia water, and dilute 500ml
8.0	NH4Cl 50g, dissolve in an appropriate amount of water, Add 3.5ml of 15 mol/l ammonia water, and dilute 500ml
8.5	NH4Cl 40g, dissolve in an appropriate amount of water, Add 8.8ml of 15 mol/l ammonia water, and dilute 500ml
9.0	NH4Cl 35g, dissolve in an appropriate amount of water, Add 24ml of 15 mol/l ammonia water, and dilute 500ml
9.5	NH4Cl 30g, dissolve in an appropriate amount of water, add 入15 mol/l氨水65ml, and dilute 500ml
10.0	NH4Cl 27g, dissolve in an appropriate amount of water, add 入15 mol/l氨水197ml, and dilute 500ml
10.5	NH4Cl 9g, dissolve in an appropriate amount of water, add 入15 mol/l氨水175ml, and dilute 500ml
11	NH4Cl 3g, dissolve in an appropriate amount of water, add 入15 mol/l氨水207ml, and dilute 500ml
12	0.01mol/lNaOH
13	0.1mol/lNaOH

Note: When there is an obstacle to chloride ions, nitric acid can be used When there are obstacles to sodium ions, KOH can be used.