鍦熷￥涓湁鏁堢７鐨勬祴瀹?/p>
-NY/T 1121.7-2014
A
纰抽吀姘㈤挔鎻愬彇鈥斺�旈捈閿戞姉姣旇壊娉?/p>
閫傜敤浜庣煶鐏版�с�佷腑鎬у湡澹?/p>
PH
鈮?/p>
6.5
鏂规硶鎻愯
鐢变簬娴告彁娑?/p>
(0.5MNaHCO3)
鎻愰珮浜?/p>
CO32-
绂诲瓙鐨勬椿鎬э紝浣垮叾涓?/p>
Ca2+
褰㈡垚
CaCO3
娌?/p>
娣�锛屼粠鑰岄檷浣庝簡
Ca2+
鐨勬椿鎬?/p>
,
浣夸竴瀹氶噺娲绘�ц緝澶х殑
Ca-P
琚蹈鍑猴紝鍚屾椂涔熷彲浣挎瘮杈冩椿
鎬х殑
Fe
鈥?/p>
P
鍜?/p>
AI-P
閫氳繃姘磋В浣滅敤鑰屾蹈鍑?/p>
(
鐢变簬纰抽吀鐩愮殑纰辨憾娑诧紝涔熼檷浣庝簡閾濆拰閾佺
瀛愮殑娲绘�э紝
鏈夊埄浜庣７閰搁摑鍜岀７閰搁搧鐨勬彁鍙栥�?/p>
姝ゅ锛?/p>
NaHCO3
纰辨憾娑蹭腑瀛樺湪鐫�
OH-
銆?/p>
HCO3-
銆?/p>
CO32-
绛夐槾绂诲瓙鍧囪兘缃崲鍚搁檮鎬佺殑纾烽吀鐩?/p>
H2PO4-
銆?/p>
)
锛屼粠鑰屽鍔犱簡纰抽吀姘㈤挔鎻愬彇涓�?/p>
鍜岀煶鐏版�у湡澹ら�熸晥纾风殑鑳藉姏銆傜敱浜庢蹈鍑烘恫涓?/p>
Ca
銆?/p>
Fe
銆?/p>
Al
娴撳害杈冧綆锛屼笉浼氫骇鐢熺７鐨勫啀
娌夋穩锛涙蹈鍑烘恫涓殑纾峰彲鐢ㄩ捈閿戞姉姣旇壊娉曞畾閲忔祴瀹氥�?/p>
涓昏浠櫒璁惧
1
鍗冨垎涔嬩竴鐢靛瓙澶╁钩锛?/p>
2
鎭掓俯姘存荡鎸崱鍣紱
3 150ml
濉戞枡鐡跺拰
50ml
濉戞枡灏忕儳鏉紱
4
閿ュ舰鐡?/p>
(
鎴栨瘮鑹茬
)
锛?/p>
50mL
鎴?/p>
25mL
姣旇壊绠★紱
5
绱
鍒嗗厜鍏夊害璁★紱
璇曞墏
1
姘㈡哀鍖栭挔锛?/p>
10%(m/V)
婧舵恫锛?/p>
(
璋冭妭娴告彁鍓?/p>
pH
鑷?/p>
8.5)
2
纰抽吀姘㈤挔娴告彁鍓?/p>
锛?/p>
c(NaHCO3)=0.50mol
路
L-1
锛?/p>
pH=8.5
锛?/p>
绉板彇
42.0gNaHCO3
婧朵簬
950mL
姘翠腑锛岀敤
10%
姘㈡哀鍖栭挔婧舵恫璋冭妭
pH
鑷?/p>
8.5(
鐢ㄩ吀搴﹁娴嬪畾
)
锛岀敤姘寸█閲婅嚦
1L
銆傝串瀛樹簬
濉戞枡鐡朵腑澶囩敤銆傚璐瓨鏈熻秴杩?/p>
20d
锛屼娇鐢ㄦ椂椤婚噸鏂版牎姝?/p>
pH
銆?/p>