日本在线观看,亚洲成av人无码综合在线观看,高潮毛片无遮挡高清免费视频,国产手机在线αⅴ片无码观看

訂購(gòu)電話:4001650900

Potassium tetraoxalate dihydrate

Cas:
6100-20-5
Molecular Structure:
MDL:
--MFCD00150443
Molecular Formula:
KH3C4O8 ·2H2O;KH3(C2O4)2 ·2H2O
Molecular Weight:
254.19
Alias:
四乙二酸鉀,草酸三氫鉀 Oxalic acid hemipotassium salt Potassium trihydrogen dioxalate dihydrate Potassium tetraoxalate
Product order:
Name Specifications Packing Price Delivery
Potassium tetraoxalate dihydrate AR 250g RMB 118.8 Consulting service
Character:
無(wú)色結(jié)晶或白色結(jié)晶性粉末。在空氣中穩(wěn)定。溶于12份沸水、60份冷水,微溶于乙醇。
Quality Standard:
   
   項(xiàng)目ltem                          分析純    化學(xué)純
                  (AR)          (CP)
含量Assay,%                     ≥ 99.5 (RT)     99.5 (RT)
氯化物(Cl)Chloride,%            ≤ 0.001         0.001
硫酸鹽(SO4)Sulfale,%            ≤ 0.01          0.02
硝酸鹽(NO3)Nitrate,%            ≤ 0.002         0.004
鈉(Na)Sodium,%                  ≤ 0.02          0.02
鈣(Ca)Calcium,%                 ≤ 0.002         0.005
鐵(Fe)Iron,%                    ≤ 0.001         0.002
重金屬(以Pb計(jì))Heavy metals,%    ≤ 0.001         0.002
Storage:
密封保存。
用途  pH基準(zhǔn)試劑。去除鐵銹和水跡。清洗金屬。測(cè)定pH,分析試劑
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號(hào):滬ICP備19037119號(hào)-1     
網(wǎng)站地圖:
試劑CAS試劑分類(lèi)試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類(lèi)實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)