2毫升的化学试剂包装一瓶大概需要多少钱，包装很多呢？ 北京理工大学化学类专业怎么样
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建议给本地包装公司打电话咨询一下，应该不贵,或者淘宝网上
耐热密封玻璃瓶5ml的不到1元
十快
绛旓細璇曞墏寰噺鍒嗘瀽璇曞墏(Micro-analytical reagent)閫傜敤浜庤娴嬪畾鐗╄川鐨勮鍙噺浠呬负甯搁噺鐧惧垎涔嬩竴(閲嶉噺绾︿负1~15姣厠,浣撶Н绾︿负0.01~2姣崌)鐨勫井閲忓垎鏋愮敤鐨勮瘯鍓傘傛湁鏈哄垎鏋愭爣鍑嗗搧(Organic analytical standards)鏄祴瀹氭湁鏈哄寲鍚堢墿鐨勭粍鍒嗗拰缁撴瀯鏃剁敤浣滃姣鐨勫寲瀛﹁瘯鍓銆傚叾缁勫垎蹇呴』绮剧‘宸茬煡銆備篃鍙敤浜庡井閲忓垎鏋愩傚啘鑽垎鏋愭爣鍑嗗搧(Pesticide ...
绛旓細纭吀婧惰川鐨勮川閲忔槸 500ml * 1.84g/cm3 * 98%= 901.6 g 绗2涓棶棰橈細500g璐ㄩ噺鍒嗘暟涓19.6%鐨勭█纭吀鍚湁纭吀婧惰川涓500*19.6% = 98g 浜庢槸灏卞緢瀹规槗绠楀嚭闇瑕浣犵幇鏈夌殑杩欑娴撳害98%鐨勮川閲忎负 98梅98% =100 g 鎹㈢畻鎴愪綋绉氨鏄 100梅1.84 = 54.3 ml 绗3涓棶棰橈細Zn + H2so4 = znso4 + h2 9...
绛旓細瀵嗗皝姣旇緝濂斤紝闆嗘皵鐡跺惂
绛旓細A銆佸疄楠屾椂锛岀敤鍓╃殑鑽搧瑕佹斁鍥炲埌鍘璇曞墏鐡涓紝浠ュ厤娴垂 锛堟斁鍥炲師璇曞墏鐡朵細姹℃煋璇曞墏锛塀銆佸疄楠屾椂锛屽鏋滄病鏈夎鏄庢恫浣撹嵂鍝佺殑鐢ㄩ噺鏃讹紝搴斿彇1锝2 mL C銆佺粰璇曠閲岀殑娑蹭綋鍔犵儹鏃讹紝璇曠瑕佷笌妗岄潰鎴45搴﹁ D銆佺敤閲忕瓛閲忓彇娑蹭綋鏃讹紝搴斾娇瑙嗙嚎涓庨噺绛掑唴娑蹭綋鐨勫嚬娑查潰鐨勬渶浣庡淇濇寔姘村钩 8銆佷笅鍒楁彁绀虹殑鍐呭涓鍖栧鏈夊叧鐨...
绛旓細涓銆佽瘯鍓傜摱瀵鍖栧璇曞墏鐨勪娇鐢ㄨ姹 1锛庡璇曞墏鐡剁摱璐ㄨ姹 HF婧舵恫鍥犺厫铓鐜荤拑涓嶈兘鐢ㄧ幓鐠冪摱涔樻斁,鍙敤濉戞枡鐡舵垨閾呯毧.鍏朵粬璇曞墏涓鑸敤鐜荤拑鐡朵繚瀛.2锛庡璇曞墏鐡剁摱鍙ｇ殑瑕佹眰 涓鑸у浐浣撹瘯鍓傚瓨鏀惧湪骞垮彛鐡朵腑,涓鑸ф恫浣撹瘯鍓傚瓨鏀惧湪缁嗗彛鐡朵腑.3锛庡璇曞墏鐡剁摱濉炵殑瑕佹眰 鐩涙斁纰辨х墿璐紙濡侼aOH,Na2CO3,Na2S绛夋憾娑诧級鎴栨按鐜荤拑...
绛旓細鍖栧璇曞墏鐡 銆1銆戞寜鐓ф潗璐ㄥ垎锛氱幓鐠冭瘯鍓傜摱銆佹鑹茬幓鐠冭瘯鍓傜摱銆佸鏂欒瘯鍓傜摱锛涖2銆戞寜鐓ц鏍煎垎锛氾紙1锛夋櫘閫氳瘯鍓傜摱锛50姣崌銆125姣崌銆250姣崌銆500姣崌銆1000姣崌銆佸ぇ鍨嬭瘯鍓傜摱锛2000姣崌銆3000姣崌銆5000姣崌璇曞墏鐡锛涳紙2锛夊箍鍙ｈ瘯鍓傜摱锛涳紙3锛夌幓鐠冨叿濉炶瘯鍓傜摱锛涘鏂欏叿濉炶瘯鍓傜摱锛涳紙4锛夋淮绠¤瘯鍓傜摱锛涙鑹叉淮绠¤瘯鍓...
绛旓細1. 瑕佸仛鍒颁笁涓嶃備笉闂 -涓嶇洿鎺ラ椈鑽搧鐨勬皵鍛筹紝鐗瑰埆鏄皵浣 涓嶅皾 -涓嶅皾鑽搧鐨勫懗閬 涓嶆懜 -涓嶇洿鎺ョ敤鎵嬭Е鎽歌嵂鍝 2. 瑕佽妭绾﹁嵂鍝併傚彇鐢ㄨ嵂鍝佺殑閲忚鏍规嵁瑕佹眰鏉ュ彇锛屽鏋滄病鏈夎姹傦紝鍙栨渶灏戦噺锛堝浐浣擄細鐩栨弧璇曠搴曞嵆鍙紱娑蹭綋 1-2姣崌锛夈3. 鐢ㄥ墿鐨勮嵂鍝瑕佹斁鍒版寚瀹氱殑浣嶇疆锛堝鍣ㄥ唴锛変笉鑳芥斁鍥炲師鐡讹紝涔熶笉鑳介殢鎵...
绛旓細n(NaOH)=0.2*2=0.4mol m(NaOH)=0.4*40=16.0g 瑙ｇ瓟鐨勬椂鍊欐敞鎰忎繚鐣欎竴浣嶅皬鏁般備絾瀹為檯涓婂疄楠屽搴旇娌℃湁200mL鐨瀹归噺鐡讹紝搴旇鐢250mL鐨勩傜敤250ml鐨鐡跺瓙锛屼篃搴旇閰250mL婧舵恫锛岄渶姘㈡哀鍖栭挔20.0g
绛旓細娉ㄦ剰鑺傜害鑽搧,涓ユ牸鎸夌収瀹為獙瑙勫畾鐨勭敤閲忓彇鐢ㄨ嵂鍝併傚鏋滄病鏈夎鏄庣敤閲,涓鑸簲鎸夋渶灏戦噺鍙栫敤:娑蹭綋l-2mL,鍥轰綋鍙闇瑕鐩栨弧璇曠搴曢儴銆傚疄楠屽墿浣鐨勮嵂鍝鏃笉鑳芥斁鍥炲師鐡,涔熶笉瑕侀殢鎰忎涪寮,鏇翠笉瑕佹嬁鍑哄疄楠屽,瑕佹斁浜烘寚瀹氱殑瀹瑰櫒鍐呫(2)鍥轰綋鑽搧鐨勫彇鐢ㄥ彇鐢ㄥ浐浣撹嵂鍝佷竴鑸敤鑽寵銆傚線璇曠閲岃鍏ュ浐浣撶矇鏈椂,涓洪伩鍏嶈嵂鍝佹簿鍦ㄧ鍙ｅ拰绠″涓...
绛旓細鐢ㄥ浐浣撻厤鍒舵憾娑叉椂鐨勬楠ゆ槸璁＄畻銆佺О閲忋佹憾瑙ｃ佽创鏍囩璐瓨锛岃绠楀嚭闇瑕鐨勬憾璐ㄣ佹憾鍓傜殑璐ㄩ噺鍚庤繘琛岀О閲忥紝鍐嶅皢婧惰川婧惰В鍒版憾鍓備腑閰嶅埗婧舵恫锛屾渶鍚庡皢婧舵恫瑁呭叆璇曞墏鐡涓苟璐翠笂鏍囩銆傚湪鍖栧涓婄敤锛屽寲瀛︾墿鍝佸拰婧跺墏锛堜竴鑸槸姘达級閰嶅埗鎴愬疄楠岄渶瑕佹祿搴︾殑婧舵恫鐨勮繃绋嬪氨鍙仛閰嶅埗婧舵恫銆傞厤鍒舵憾娑插墠闇瑕佽绠楁墍闇鐗╁搧鐨勫灏戝苟娓呯悊浠櫒銆
