?λ :?>

???е??β?

?2021-04-29 ? ???


1 Χ

?涨??й???ζ?λζ

?????????С???????????濾???????????????????????????????Χ0g/100g~0.38g/100g

?????????

? ζ

2?

??????е?????????ζ??ù??1kg?л????

3??

???,??GB/T6682涨?

3.1 ?

3.1.1

3.1.2 ?

3.1.3 ?

3.1.4

3.1.5 ?:г? 30-60

3.1.6 ?

3.1.7 ?

3.1.8 ????

3.2 ?

3.2.1 ??40+60?40 ml?飬60 mL??

3.2.2 ????20g??10ml??????У???á???б???????飺30ml??1.00ml???21%???1?0.01mol/L????????

3.2.3 1%???0.5g???????50ml?н????á??

3.2.4 ?????100ml??У?40??У???ɡ30ml?????????250ml?С??1.00ml?????0.5min?3min1.0ml???????1.0ml??????

3.3 ??

3.3.1 0.1mol/L????26g?0.2g???1000ml?У10min????

3.3.2 0.01mol/L???3.3.1????ɡ??

3.3.3 0.002mo1/L???3.3.1????ɡ??

4豸

4.1 ?250ml

4.2 ζ?10mlС??0.05ml

4.3 ζ?25ml50mLС??0.1ml

4.4 ??1mg 0.01mg

4.5 ???

4.6 ?

?????úл?????治??

5

5.1 ?

??????

5.1.1 ??

???????????????д??л??

5.1.2 ??

5.1.2.1 ??????

???????????????д??л??б??й????Уμ???????????

5.1.2.2

??60~70??м?????????????У??????塣???????

5.1.3 С???????????濾?????????????д?????в飬???У2~3??(3.2.4)????y12h?????????40???????T?

5.1.4 ????????????????????д????鲢????У2~3???3.2.4????y12h?????????40??У?????T?

5.2 ??

?????5.1.1~5.1.4?2 g~3 g?0.001g250ml?У30ml??????????1.00mL??????0.5min?3min?100mL???????0.15g/100g?0.002mol/L????0.15g/100g?0.01mol/L??ζ?ζ??1ml??ζ??????????п?顣?0.01mo1/L?Vó0.1mL

6?

6.1 ù??????1?

?:

X-?,λ? ???g/100 g

V-????λ?mL

V0-?????λ?mL

c-?????λ???mol/L

0.1269-1.00 mL??ζ?[cNa; s,0,= 1.000 mol/L]??

m-λ??g

100?

?F?ζ????λЧ?

6.2 1kg?л??????2:

X2??λ?????mmol/kg

V-????λ?mL

V0-?????λ?mL

c-?????λ???mol/L

m-λ??g

1000?

???ζ????λЧ?

7?

???ζ????ó??10%

??? λζ

8?

????Уй?????????ζ???λζ?ζ??ù??1kg?л????

9??

?????GB/T 6682涨?

9.1 ?

9.1.1

9.1.2

9.1.3 ?

9.1.4

9.1.5 ????

9.2 ?

9.2.1 ?40+60?40mL飬60ml?

9.2.2 ????20g??10mL?????У???á???б???????飺30mL?

9.2.10.5mL???21%???0.01mo1/1?1?????

9.3 ??

9.3.1 0.1 mo1/L????26g?0.2g???100ml?л10min????

9.3.2 0.01mol/L???9.3.1????ɡ??

10豸

10.1 ??1mg0.01mg

10.2 ???

10.3 λζ??2mV???ζ??λ?ζ仯???缫????缫?10mL20mL??ζ??ζ?

10.4

????úл???????

11

11.1 ?

??5.1.1~5.1.2

?????

11.2 ??

?5.1.1~5.1.2??5g?0.001g?λζ??ζУ50ml

????????????ζм20mL??????30mL?ζ??0.5mL???????·?60s?1sζм30mL~100mL?缫?ζ?ú?ζеζ????ζ??еζ?ζ??λ仯?????0.05mL/~0.2 mL1/Ρζ????ζ?????V????ζ??ζ??缫??

??п?顣?ζ??еζ?ζ??λ仯?????0.005mL/Ρζ????ζ?????V?0.01mol/L?Vó0.1mL

?1??????缫??????????

?2?м?????λ??ζλ2???????ζ??λ???ζ????

?3????

12?

12.1 ù??????3?

X1??λ????g/100 g

V?????λ?mL

V0??????λ?mL

c??????λ???mol/L

0.1269-1.00ml??ζ?[cNae S,O.- 1.000 mol/L]??

λ??g

100?

???ζ????λЧ?

12.2 1kg?л??????4?

X2??λ?????mmol/kg

V?????λ?mL

V??????λ?mL

c??????λ???mol/L

m?λ??g

1000-??

???ζ????λЧ?

13?

???ζ????ó??10%

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