フローインジェクション分析法による畑土壊中の全窒素の迅速定量
Contents
1. 1985 5 5 n 5 A HCZO4 HzSO4 FIA B 3 2 2 r 0 9997 1 16 26 8mgN 100 9 3 3 101 114 87 109 3 97 100 11 4 2 62 0 976 0 972 45 9mgN 100 9 N 1009 A B C A B A B C A B C 1 1 1230 1130 109 1070 1100 97 3 1410 12402. p 67 68 2 1979 p 61 66 3 ReSiXka J Hansen E H 1983 p 1 216 144
3. Tohoku Agric Res 39 143 144 1986 Rapid Method of Determination Total N in the Farm Soils by HCIO 4 HzSOs Digestion Flow Injection Analysis Hideharu NAKAJIMA and Hideo ICHIKI Tohoku National Agricultural Experiment Station 1 50y 0 5 19 3y 1 1 9 FIA 2 1 2 Tecator FIA Libror ED 200 250
4. 5 30 HCIO4 0 1 0 5y 3 cm 130 5 10 200 40 50 60 10 30z 50 09 FIA 1 Tecator FIA RI 2M NaOH pH 10 1 FIA C 0 5 50 R2 1 N ww100 No 1 1 110 65 170 2 34 0 57 60 3 33 8 60
5. 3 C 1 500w Hz SO4 60w 1 R 1 NaOH 809 1 R 2 1 Tecator 5000 0295 0 19 NaHzPO4 HzO 0 49 1 _ NH4C1 3 819 9 1000 N1 y 100x4 6 4 50zy 2 mm 0 509 5 1 09 0 5 1 ww HzSO4 3
6. 114 1540 1380 112 182 699 795 87 9 649 751 86 4 1010 935 108 1140 1120 102 1 3 543 627 86 6 523 578 90 5 788 784 101 1120 993 113 1 4 471 526 89 5 394 474 733 694 106 1000 917 109 1 5 425 458 92 8 365 404 90 3 662 633 105 986 866 114 4 BX100 C 80 100 3 2140 N100 122 57 2 332 61179 n 62 Q 44 2 1000 Y 0 972X 45 9 e n 52 an0 n 5 n 5 3 9 600 9 oo a 0 200 400 600 800 1000 NH N 1009 2 4 i 1977
7. 56 4 80 4 91 87 9 5 369 88 418 6 124 75 166 2 203 66 309 8 4 44 16 27 9 1700 92 1840 No 1 2 Na 3 No 4 No 5 No 6 No 7 Na 8 No 9 HCZO4 HzSO4 FIA 1 065 33 5 r 0 999 100 3 Jj r 0 999 143 39 1986 1 07 33 5 N 1009 2 N 9 1009 A B A BlA BlA BIA _B X 122 156 57 2 74 3 332 413 611 777 2140 2500 Sx 3 9 5 0 2 2 7 3 7 2 14 33 14 103 161 CV 3 2 3 3 3 9 9 8 2 1 3 4 5 4 1 8 4 8 6 4
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