{"id":313,"date":"2023-12-11T03:43:38","date_gmt":"2023-12-10T20:43:38","guid":{"rendered":"http:\/\/www.tneutron.net\/industri\/?p=313"},"modified":"2023-12-08T19:14:52","modified_gmt":"2023-12-08T12:14:52","slug":"instruksi-khusus-untuk-material-khusus","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/industri\/instruksi-khusus-untuk-material-khusus\/","title":{"rendered":"Instruksi Khusus untuk Material Khusus"},"content":{"rendered":"

\uf0b7 Crude Petroleum dan Residual Fuel Oil
\n<\/strong>– Tank Sampling tidak dianjurkan, karena pada umumnya material tersebut tidak homogen.
\n– Sangat dianjurkan dengan Automatic Sampling ASTM D 4177
\n\uf0b7 Gasoline dan Distillate Product<\/strong>
\n– Material tersebut umumnya bersifat homogen<\/p>\n

– Dapat dilakukan Tank Sampling<\/p>\n

Instruksi Khusus untuk Pengujian Khusus<\/strong>
\n1. Distilasi ASTM D 86
\n– teknik yang dianjurkan adalah prosedur Bottle \/ Beaker Spot Sampling
\n– sebelum sampling bottle \/ beaker direndam dalam material yang akan diambil
\n– setelah memperoleh contoh, secepatnya ditutup rapat dan disimpan dalam sistem pendingin pada suhu 0 sampai 4,5 0<\/sup>C (32 sampai 40 0<\/sup>F)
\n2. Vapor Pressure ASTM D 323
\n– gunakan metode sampling ASTM D 5842
\n3. Oxydation Stability ASTM D 525, D 873
\n– hindari kontaminasi dan terpaan sinar sewaktu pengambilan dan sample handling
\n– untuk menghindari agitasi dengan udara yang akan mengakibatkan oksidasi, contoh jangan dituang, digoyang atau diaduk
\n– wadah contoh: gunakan gelas coklat atau botol gelas jernih yang dibungkus
\n– dianjurkan dengan teknik running sampling, karena contoh diambil secara langsung dalam botol. Hal ini memperkecil kemungkinan absorpsi udara, kehilangan uap dan kontaminasi
\n– sebelum sampling botol dibilas dengan produk yang akan diambil<\/p>\n

Prosedur Sampling ( Umum )<\/strong>
\n1. Tindakan Pencegahan<\/strong>
\n– untuk memperoleh contoh yang representatif harus dilakukan dengan hati-hati dan aturan yang benar.
\n– Pada dasarnya uap minyak bersifat racun dan mudah terbakar, maka hindari menghirup uapnya dan adanya percikan bunga api<\/p>\n

2. Sample Handling<\/strong>
\n– contoh-contoh yang sangat mudah menguap harus dijaga dari terjadinya penguapan
\n– pemindahan contoh dari peralatan sampling ke wadah contoh secara cepat
\n– setelah dikirim ke laboratorium, contoh yang mudah menguap harus didinginkan sebelum wadah contoh dibuka
\n– contoh yang sensitive terhadap sinar, seperti gasoline harus dijaga dalam wadah gelap jika pengujian meliputi parameter : warna, ON, TEL Content, sludge forming characteristic, stability test
\n– container outage \u2013 wadah contoh tidak diisi secara penuh untuk ekspansi karena perubahan suhu dan memudahkan pada homogenisasi (mixing)<\/p>\n

3. Sample Labeling<\/strong>
\n– secepatnya beri tanda dengan jelas dan titik mudah terhapus
\n– meliputi tanggal, waktu, nama petugas, nama dan nomor tanki, grade material, simbol standar dan lain-lain.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uf0b7 Crude Petroleum dan Residual Fuel Oil – Tank Sampling tidak dianjurkan, karena pada umumnya material tersebut tidak homogen. –<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[174],"tags":[388,389,386,387],"class_list":["post-313","post","type-post","status-publish","format-standard","hentry","category-teknik-sampling","tag-blokir-instruksi-khusus","tag-elemen-khusus-instruksi-mesin","tag-instruksi-khusus","tag-tujuan-instruksi-khusus"],"yoast_head":"\nInstruksi Khusus untuk Material Khusus - TN Industri<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tneutron.net\/industri\/instruksi-khusus-untuk-material-khusus\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Instruksi Khusus untuk Material Khusus - 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